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 - NEG. OCC. 2ND DEO Award a ₱9.6M contract to ZMA I CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
f3fa6af4228f93bdc3cfca5e84fe7c0a77d9effb9b638ba99bac120153b06412
Status:
Included and unchanged
Block:
#5,807 206 blocks after it
Position in block:
Transaction 1,073 of 1,132
Award day:
Mar 21, 2025 (1 yr 7 mo ago)
Value:
₱9,625,509.07
Project:
25GL0132
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 #5,807 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 - NEG. OCC. 2ND DEO awarded it to ZMA I CONSTRUCTION & SUPPLY on 2025-03-21.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 f3fa6af422…b06412now …
- 2. Block Merkle root changedstored c13f4a0c6a…9c16a9now …
- 3. Block #5807 hash changedstored 3382cf9220…94368fnow …
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 1,131 records. Each step hashes the current value together with the sibling shown.
- leaf f3fa6af4228f93bdc3cfca5e84fe7c0a77d9effb9b638ba99bac120153b06412
- 01 L f3443b6038dcf772f06b10419c3f412558faab7fd442c94aeadf51c71fb652c4
- 02 R a2ad1ab6fd748a2a9d351dde57967305b9e860bc7941e95188ba37d966f9087e
- 03 R 29a0d1a054c66ac2eeeacede7413ae49036a8713e49bc252d9dea0844e662870
- 04 R eda48d3bc6dc46c4aa6d1e3e61703fc10f50dae29bcc34624c9e1361e0ce43ee
- 05 L 63ac243a32d928eafa14878df2ec9d3aa49d57174de65ca48b2ddd3d10505270
- 06 L bb905a371417f950f308a21cc131c2ea3fc7dd306c255b14d68936925013008c
- 07 R 63d41d39dbc4a0c5ab8f6fbcdb0db407b79456a7292b11a230aa6ef3216c12cf
- 08 R 71f8eccb3e3fbc2accaf2ee04ceeefd8011f1b87786e5f273d78439411b49743
- 09 R c89219155dc89edba20862d25bbf4fb3ff8011cff174c63ea87bf0ecd5aea541
- 10 R 1999b775501fae6d4a450f5e5daee581bf5ffecc3b0d3157b95c54d3297fdc89
- 11 L 279d2ff389831fed35892068bf06cfcee7e59a17869e2e434024469e076bf703
- root c13f4a0c6a3fcf602ad4d9b44566daa246c057f271816fdddb5e537c0d9c16a9