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 - REGION IV-B Award a ₱54.9M contract to D.L. CERVANTES CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
54654d512b53fd4e9bd071ec171903d2af957f9f9a99392f0c0f0e77e0a14250
Status:
Included and unchanged
Block:
#2,670 3,343 blocks after it
Position in block:
Transaction 134 of 422
Award day:
Feb 22, 2016 (10 yrs 8 mo ago)
Value:
₱54,864,951.99
Project:
159999999999999998902371045751523407162547109888
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 #2,670 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 - REGION IV-B awarded it to D.L. CERVANTES CONSTRUCTION CORPORATION on 2016-02-22.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 54654d512b…a14250now …
- 2. Block Merkle root changedstored 718db950a9…1f22f5now …
- 3. Block #2670 hash changedstored 254a39ce25…487e88now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 421 records. Each step hashes the current value together with the sibling shown.
- leaf 54654d512b53fd4e9bd071ec171903d2af957f9f9a99392f0c0f0e77e0a14250
- 01 R 549eacc2801c058b5d9ad870c533cfe4dba75f24d8bd60c90b2145aeb99307cb
- 02 L 3e02508927cb7630e85a10335965aa97e44a9724f2182d47114e32680c21028a
- 03 L 2e501f8d86272d999dcdf6a4d75ca472bcd6f74d0f5951a146bc31e3fa07fe9d
- 04 R 01d4c7c9ae0be6bfe2163973c3f47645eaa3809a99886ed23237697b68b5f25a
- 05 R 2c1c847a806cfe60e1948b0be1fe39b743e899db166b782d932cb9f52b360066
- 06 R 4ff36f1b32a1edbc52fc0d8df8ca3b02a705823bd47507d42ef0d08d7a8e1a71
- 07 R 1266418528468b824dc6754e9d381fa509ae439aa17892535476c6c15e27c0b1
- 08 L 8f7fa922fdd4a8a9d7c82047d0140378597ba2c926e3b5286125aba669ddaccc
- 09 R a6c57899754920c3b0c8a1af73e50b506bb5e98f45a397010131146ee5629d7c
- root 718db950a96431403ead80d6a8b0d23f93bebeaff35126d5c72361eae91f22f5