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 - SMMSED Award a ₱1.4M contract to REDCAR TRADING AND CONSTRUCTIONNational agencies
Transaction hash:
b4d2362c4e233624a12907decd38460ad74a51a7e00b9b770d95285d93023213
Status:
Included and unchanged
Block:
#830 5,183 blocks after it
Position in block:
Transaction 124 of 172
Award day:
Mar 24, 2010 (16 yrs 7 mo ago)
Value:
₱1,430,052.40
Project:
Construction/Rehabilitation of Road including Drainage at Brgy. Putatan,Muntinlupa City
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 #830 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 - SMMSED awarded it to REDCAR TRADING AND CONSTRUCTION on 2010-03-24.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)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 b4d2362c4e…023213now …
- 2. Block Merkle root changedstored ee6429d9f3…734456now …
- 3. Block #830 hash changedstored e8e8df0de9…ed4ab8now …
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 171 records. Each step hashes the current value together with the sibling shown.
- leaf b4d2362c4e233624a12907decd38460ad74a51a7e00b9b770d95285d93023213
- 01 R b7a1faa772bb3bd5b19563132d72dceb4c316ce6d55da8133d5402dca4f647cc
- 02 R fc800aac1ef14f936d580b5a1941a5ab81ffcf228c75cc2be614b785ab9f7090
- 03 L 40f4d30bfff6da5333a5372b9bc5c83e094208b337afb1ff9fa2bba1a09d5ce2
- 04 L 2fe1a5f216010906d023c49741ba2bd33b8979a1a15c131e8d1059c9aa610662
- 05 L 8f65e13b674b1631e3d81331b3f8eb183aaad6ce119bf4609e2bc97dcf92bb6e
- 06 L 3accf1399b6de09518685281a934568ef12a3fd294a60cdfa0471cade11256ec
- 07 L a369802ed0a948529901ff464cf85101e4a5596a004ddf3d62b503cb8cabbaf6
- 08 R a12927b1fe297a4c89ee311113b6707390ccaa2dd34ba4b877d2e95d642d3c8b
- root ee6429d9f34067e1dddbad430b8c7d4f82197e388340a7ef8fd0b4395d734456