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 ₱251.0K contract to COLBY CONSTRUCTIONCities
Transaction hash:
82b70d263b5d072bd5bfb05cfb25eb2b257487dbd7908df673c7a9a35e08a583
Status:
Included and unchanged
Block:
#2,221 3,792 blocks after it
Position in block:
Transaction 77 of 149
Award day:
Oct 24, 2014 (12 yrs ago)
Value:
₱251,010.90
Project:
Infrastructure Project
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 #2,221 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 COLBY CONSTRUCTION on 2014-10-24.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 82b70d263b…08a583now …
- 2. Block Merkle root changedstored 60bc3a86bd…d20630now …
- 3. Block #2221 hash changedstored 747e85a356…44aebfnow …
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 148 records. Each step hashes the current value together with the sibling shown.
- leaf 82b70d263b5d072bd5bfb05cfb25eb2b257487dbd7908df673c7a9a35e08a583
- 01 L 825f1b7744dd71075e2a0fd6e3f1fd5306c00f3a785e45f5481a3e6abade7e22
- 02 R f9e73879b6424b773edb36c0f5ddf7b0d959af379729e76d16c6a07d5adb9e36
- 03 L 4732ee35a8c7c103e8c8aabc03bc25ca39016d75190b899675cced4b39f9465b
- 04 L 39aff92bd69353379b51d993bbcc63941c1cd96e184d8dae9ba0c1636743225a
- 05 R 1a0876fe0c72ba9b30b02c17cc03d1395e7253d5ffae652e851352527f0f0c73
- 06 R d2663e210ef40133f4df7af716b1dfc881d149b68e0cb8896b9fae92533c1416
- 07 L 819212d3e520920fbd3b00d092148b498d5b76e3c52a58c1b130c5316b0b3931
- 08 R c4e242cbc2c6e63b4eb6e5d017578f3f6e346737aa36501634828ea6cf8adfae
- root 60bc3a86bde49ef4eec66d93c623fdaed8982fc352e59ff8eecd480265d20630