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
CITY OF SANTIAGO, ISABELA Award a ₱4.1M contract to NTL BUILDERS & DEVELOPERCities
Transaction hash:
57cb75f4e30503adb454d265a3c53a9e397bd1bfca09ad05398f9490e7393c87
Status:
Included and unchanged
Block:
#2,378 3,635 blocks after it
Position in block:
Transaction 39 of 115
Award day:
Apr 14, 2015 (11 yrs 7 mo ago)
Value:
₱4,135,103.28
Project:
Construction Projects
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 #2,378 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)CITY OF SANTIAGO, ISABELA awarded it to NTL BUILDERS & DEVELOPER on 2015-04-14.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)COA's CY2024 audit of City of Santiago gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 57cb75f4e3…393c87now …
- 2. Block Merkle root changedstored 3128ffd017…d5ae58now …
- 3. Block #2378 hash changedstored 18c8b85ab7…02ac41now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 114 records. Each step hashes the current value together with the sibling shown.
- leaf 57cb75f4e30503adb454d265a3c53a9e397bd1bfca09ad05398f9490e7393c87
- 01 L 562e2e0899588c604b9a6802488d1946def08a32c6108d32fca723d2278da4bf
- 02 L 135bbceb2cc9e0d63228d312d5e49fefe81582cc33a6553472af34174b1e110c
- 03 L d883475259ff1058d3d2893a23aa94ad3f37e975fb9a63a8c7e4f53edbf64418
- 04 R e185895d4ed5d421c5770d64690d0a845ff7e7bf5f81c1e0e2d546fbb87d51c1
- 05 R 2bd439d8fe6f3b3e1a4708fef19d28f6be7041186433e7943af21cb0ed50dffd
- 06 L db251bbd4761fff31ddcfa9b79bc360aa90d4e5c16d71aff480245885e47b7a9
- 07 R 68f8f902ecb98577b0ede67883e24076493c690259602689539a4ea4819535fb
- root 3128ffd0175aadf115697ba73948d76b8cc5dc4cc6497101cc0fe8f6d7d5ae58