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
APITransaction action
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST ED Award a ₱96.8M contract to MG SAMIDAN CONSTRUCTIONNational agencies
Transaction hash:
7e8ca2c3c4a35a6fcf357cce5b13bcbd8780ce2bc15b06d9a85b5be2b2d8c2fe
Status:
Included and unchanged
Block:
#5,855 158 blocks after it
Position in block:
Transaction 504 of 1,048
Award day:
May 20, 2025 (1 yr 5 mo ago)
Value:
₱96,789,559.44
Project:
25DK0070
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
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 #5,855 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST ED awarded it to MG SAMIDAN CONSTRUCTION on 2025-05-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA 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
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored 7e8ca2c3c4…d8c2fenow …
- 2. Block Merkle root changedstored e0ed21ecd7…b619dbnow …
- 3. Block #5855 hash changedstored 84ed78b486…7446acnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,047 records. Each step hashes the current value together with the sibling shown.
- leaf 7e8ca2c3c4a35a6fcf357cce5b13bcbd8780ce2bc15b06d9a85b5be2b2d8c2fe
- 01 R 7ef704922bda4d7e7c9bd57622d810a4a84c297f13f669c6d1b7ac32fcfd9234
- 02 R 893c9aed445c2339fb9ff29f41925d3d3ad93c5139afb46b22872442d6c4a574
- 03 R 465c9c619b195f5106aa89959e0bde3ea99132c1d289ccdc209f09df7b39ad36
- 04 L 428a69584367110d4379508416c9b65c3910fc4f4dcd1b38ff80b37e99eab7ff
- 05 L a808b57e2685bc8bdd7c1a28b7c3a060eed6055350f5522143b0ee53d2b285c5
- 06 L f475d30f3bdfbaa353155d8392914089cd91bcf4577033213f0f88a7cfc358fa
- 07 L 567522f2f37adad81a88433440eaaef38cde36c560596f834bafde9dfc151b98
- 08 L ad39ebf25cb9f4288aeac3beacd4b57967cd61ec269a7499947d267080b6ebca
- 09 L 44cd619e0b7b33a42782064a12a4de6dfbf74bfeb2fbdd543edba7d1bdf91c6f
- 10 R 3937e92813de65e58246c568fa00456d0b32da5f0cb4508960cd9817dc3a04e0
- 11 R a48ff709fbc9b403feaf42fcfbb7345c887ec3a8b55a99bdead68357dace5635
- root e0ed21ecd755fdf4443d5ecf121a9cffc7370bf8e727911e84e83ce2c7b619db