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 XI Award a ₱49.4M contract to ROMA CONSTRUCTION AND DEVELOPMENT CORP.National agencies
Transaction hash:
3b2ea511391de046542ad74e478bc2e41123de1b9e0f71c76e5cfc7c3a03ba4c
Status:
Included and unchanged
Block:
#4,726 1,287 blocks after it
Position in block:
Transaction 139 of 542
Award day:
Feb 22, 2022 (4 yrs 8 mo ago)
Value:
₱49,449,142.41
Project:
22L00052 ROA, NOA, Contract & Notice to Proceed
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 #4,726 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 XI awarded it to ROMA CONSTRUCTION AND DEVELOPMENT CORP. on 2022-02-22.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 3b2ea51139…03ba4cnow …
- 2. Block Merkle root changedstored b022cb2cdc…c428bcnow …
- 3. Block #4726 hash changedstored 33abb3037c…08939bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 541 records. Each step hashes the current value together with the sibling shown.
- leaf 3b2ea511391de046542ad74e478bc2e41123de1b9e0f71c76e5cfc7c3a03ba4c
- 01 L 3b217918cb9b8ae1f94a6844c155be2330fedb672f6c73de253262dcf0f5328f
- 02 L 666de1052ceb6f4cb8299d77eec9c09be55c7c0dbadc79f8e74ce2c52a04ddf9
- 03 R 003d5278006b6b27c171ab88cff2b06dfc59dc8f06ee31b0b882aedf5cadb757
- 04 L 5ab0027780f10541b6080507eb191e40c247a741db3d2790b5954404d284e56f
- 05 R a18f64cdea9ebfa399b534d63b4cb5287d23e7d1e04bc941d564b6d8923f1a14
- 06 R 9355a2e212433c90f79f1c63702619756f82c31edceb7c95d593718e49ce2e32
- 07 R 499f63d580055133d9085ec4248344c5d1482bdcf90fc082982cd3f5ca22ec6a
- 08 L 2379dfef26bada50cfffc631979b5308230776111bc27efd4f758de0694c38c8
- 09 R f69fbfcea250ccdb1ed5fc14421ee11d3def1b545dd6edb80dc9cc62201b968f
- 10 R e6907cad16079261f9c12018eacc1ad9bdb10bab2102e3f587a038931ba5413a
- root b022cb2cdc83395e28e3a9b120d9b36aad88ede03a4d9c33e42fde76b8c428bc