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FY2026 GAA: ₱6.79T
PisoScan
DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works

Transaction details

API
Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ABRA ED Award a ₱28.4M contract to MG SAMIDAN CONSTRUCTIONNational agencies

Transaction hash:
a51c4e68e49d8b2a1108259ebb78364473af8da36abcd4317a3a60529951e6b7
Status:
Included and unchanged
Block:
#5,858 155 blocks after it
Position in block:
Transaction 257 of 410
Award day:
May 23, 2025 (1 yr 5 mo ago)

Accountability

Bill Sec. 3 and 19
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,858 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    The award does not say which budget line pays for it.
    Not published
  2. 2. Allotment release
    SARO / allotment · Sec. 5(c)(iii)
    Not published per project. DBM releases SAROs, but not linked to individual contracts.
    Not published
  3. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ABRA ED awarded it to MG SAMIDAN CONSTRUCTION on 2025-05-23.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    No matching DPWH contract record (only DPWH contracts are listed with progress).
    Not published
  6. 6. Payment
    Disbursement voucher · Sec. 5(c)(viii)
    Not published. No public source shows how much of this contract has been paid.
    Not published
  7. 7. Completion
    Certificate of completion · Sec. 5(d)
    No completion certificate published.
    Not published
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 partly. Under CADENA every step would be published within 7 working days and linked to this record.

Tamper test: try changing this record

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

  1. 1. Record fingerprint changed
    stored   a51c4e68e4…51e6b7now      …
  2. 2. Block Merkle root changed
    stored   54654702b7…4c4d01now      …
  3. 3. Block #5858 hash changed
    stored   e8e3902b01…9d7dbanow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 409 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a51c4e68e49d8b2a1108259ebb78364473af8da36abcd4317a3a60529951e6b7
  2. 01 L a4838c613d675d9fd00ba85e8dcd7b98fdfb55504dfc58a45031373b0d61ce32
  3. 02 R 660298d3d67384e2e0c93fe3d40066ecd9ebd7f10ebd064cd7742e9086a42566
  4. 03 R f51238711972a5dbc042fd6d1f9a842e353da5b8b65e23a7a37a633a33ad5421
  5. 04 R ad153836e2555b5bd8824ba7d611e9cf3e9e1d7d2b08daa31c0b5988124258bc
  6. 05 R 465d80321fe4463e1152d3ae4a86a821d290687dd2e20d411d1329276c14808a
  7. 06 R cabbf1e6fdf318cef03bdc61fd8dad2403ae9c713312a5c0559d1a48546a6880
  8. 07 R dca6871d33d0e9307155ffe97ab77a84d6dec569fabd20a2c876272b010315a8
  9. 08 R ae1930ce356272c6ac8e7ef16efef99b223c4ca6b5177d29245e114fe68935ce
  10. 09 L d37b79f0ceb8a96899742f01c9589172b91cfbbbb83f401ba2319142f90ad432
  11. root  54654702b7a62969a4cbe1304d564cde65248516e9571b754f8fd8b40b4c4d01