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 - ZAMBALES 1ST DEO Award a ₱3.4M contract to GASAT BUILDERS AND SUPPLIES INC.National agencies
Transaction hash:
f959308e01a1fd3b3ffaa9ee913e3ed0526f7853f15626f9fd572b2c8a85c372
Status:
Included and unchanged
Block:
#5,892 121 blocks after it
Position in block:
Transaction 334 of 347
Award day:
Jun 27, 2025 (1 yr 4 mo ago)
Value:
₱3,411,623.38
Project:
25CL0243 - MULTI-PURPOSE BUILDINGS, PALAUIG
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 #5,892 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 - ZAMBALES 1ST DEO awarded it to GASAT BUILDERS AND SUPPLIES INC. on 2025-06-27.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 f959308e01…85c372now …
- 2. Block Merkle root changedstored d5ccf0ce2d…b65744now …
- 3. Block #5892 hash changedstored f10296339f…c3ec39now …
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 346 records. Each step hashes the current value together with the sibling shown.
- leaf f959308e01a1fd3b3ffaa9ee913e3ed0526f7853f15626f9fd572b2c8a85c372
- 01 R f98bfd97773bcbcdbef042a4d1aae070e683d084f343085e75da542875a5dc45
- 02 L 4ad7b95bd78fc237394db43878212375eb9458a54d2bd2901f8b5476c3c56b53
- 03 L b53c34736bad640cf9e13c3d5d3d7a647adaadce2a230de07dc14587f674df43
- 04 L a529578cab9851b87ab8a82ca3dca543329c0bc10038418eb258cd37daa16ebb
- 05 R 01bb26634d665052f1f8424b0e58db183ef44a0078d151cc9a7bf01d51cc664a
- 06 R 1819fc0630f4bd8c26bdb9081b1f8e66d478b089395955e2644959829434effe
- 07 L e0508431cc7e5ecd90c7eaf39b5a784b8784887df77788a4c012b85ff4692a95
- 08 R 4754820cd04cbd5615c912a55e24995bf53b85cc3d0c72daf46fa9b17eb71ecf
- 09 L c3d79ed10fce274f2583a4b00492ba6142f0f5cf650eb422a05ced6bddfc271c
- root d5ccf0ce2dbe53181fd2e39dd59774bf1cfddb1bbd28933169ed49957eb65744