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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 - AKLAN DEO Award a ₱10.0M contract to J.C. TAMAYO ENTERPRISESNational agencies

Transaction hash:
f9fe8e7447ea300916f7d6cb4b2ee1c157debf9b32d886fe95eab28f2dad30d4
Status:
Included and unchanged
Block:
#5,938 75 blocks after it
Position in block:
Transaction 193 of 198
Award day:
Aug 18, 2025 (1 yr 2 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 #5,938 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 - AKLAN DEO awarded it to J.C. TAMAYO ENTERPRISES on 2025-08-18.
    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   f9fe8e7447…ad30d4now      …
  2. 2. Block Merkle root changed
    stored   0bdff7dd23…f67c1bnow      …
  3. 3. Block #5938 hash changed
    stored   0a31825eb5…a80ab6now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 197 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f9fe8e7447ea300916f7d6cb4b2ee1c157debf9b32d886fe95eab28f2dad30d4
  2. 01 L f8c81d7c0f82b85065b939fbfc9f6b634faa699a9419fc2cbb03e4c3ebc4fbb6
  3. 02 R 6ef93a5e9d2cb463ca47c6527ffb2c11435ba1bb8b59e5ced817e75242d42a75
  4. 03 R 819bb6f7bbb829157e7245a9a96611f622e90db13e12dd9018f636e34d00b053
  5. 04 R 0945e1a3973b3067153c0c03785f4df5bb9d51ebf10199ddc12eb34ce4d5edcf
  6. 05 R e01087a771d5d3d636049cc45d59934579674de662280cea7f018fd8b7f5053e
  7. 06 R bca15ea1accb2060a49783036919d312ee25e5134d18e88579be1f794f56262e
  8. 07 L 05ed8554ddca99b3e511c66cdf9d2d2cf64ae8bfcd2b1986201558123002d7bf
  9. 08 L d92ecf63a455dc0b97628b4b399a65015b33224b0cebd9781453492d8944c6dc
  10. root  0bdff7dd2351f1c5a401c189c740e26bfa5f6a9ac3d65234ae1807932af67c1b