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 TRANSPORTATION AND COMMUNICATIONS - MAIN Award a ₱31.8M contract to UNITEC BUILDER, INCORPORATEDNational agencies
Transaction hash:
850eb3fc3a09b50bc27f4df7480b2c09a61a38a9521a7c5fdd902d8a6676154f
Status:
Included and unchanged
Block:
#171 5,842 blocks after it
Position in block:
Transaction 4 of 10
Award day:
Sep 12, 2007 (19 yrs 2 mo ago)
Value:
₱31,769,457.32
Project:
SANGA SANGA AIRPORT DEVELOPMENT PROJECT 2007
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 #171 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 TRANSPORTATION AND COMMUNICATIONS - MAIN awarded it to UNITEC BUILDER, INCORPORATED on 2007-09-12.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 850eb3fc3a…76154fnow …
- 2. Block Merkle root changedstored 37de046ff4…614406now …
- 3. Block #171 hash changedstored 77d1bd990c…8ae9b0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 9 records. Each step hashes the current value together with the sibling shown.
- leaf 850eb3fc3a09b50bc27f4df7480b2c09a61a38a9521a7c5fdd902d8a6676154f
- 01 R 90f45f89c310348eb0faec693c75de70e14e688a1acb39d6a03adf291e1cb130
- 02 R e71354ac0022c5104274286f565071cef5e677970b579a6fc31e6e015a94398a
- 03 L 5b58fc7da227c53f3e9a70f00a931a684c959eb65c6421faba6b61163b8e9065
- 04 R 675f71451859959e14cb716bc0b17c997297dd9d3aeb9a14594594b3c48a6151
- root 37de046ff42b66f5d96a9463a1453fa5ae72ddda2ad8d18283c45d072a614406