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 OLONGAPO, ZAMBALES Award a ₱3.2M contract to J. I. VIACRUSIS CONSTRUCTIONCities
Transaction hash:
12ec74e0708f2b6fe4512e00fd40fcca93503b2e81f0c5b5a5ab06cec0be90a0
Status:
Included and unchanged
Block:
#3,940 2,073 blocks after it
Position in block:
Transaction 26 of 279
Award day:
Nov 18, 2019 (6 yrs 11 mo ago)
Value:
₱3,184,500.82
Project:
OC-148(CEO-43) 19 CW
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 #3,940 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 OLONGAPO, ZAMBALES awarded it to J. I. VIACRUSIS CONSTRUCTION on 2019-11-18.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 Olongapo 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 12ec74e070…be90a0now …
- 2. Block Merkle root changedstored 4b63d714ca…d7c8c5now …
- 3. Block #3940 hash changedstored 9826b08455…3dfec8now …
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 278 records. Each step hashes the current value together with the sibling shown.
- leaf 12ec74e0708f2b6fe4512e00fd40fcca93503b2e81f0c5b5a5ab06cec0be90a0
- 01 R 139ded0b525752d1cf6d7b21340faffca4bbd96f960d0290d89d4b8d2ee2a270
- 02 L b66f494b5b129b35010072e30be3ee6ebabcd08e14510960db8e50d7d3e33f31
- 03 R 5a72ddc863211d3224fe5e8b113b053e56832e303c9a9ebc4a786d1506e0b3a9
- 04 L 5ad2a69c7fabb8f1a0768869df76b36c5795d149bcf87052ee635c16d52c6e36
- 05 L 51f5948172e6bbc727630ab6426c84f3e618fe48a656eb54514f32268e2bfab0
- 06 R f0a9049568f8dec3bc7b61a8470ffbf4051e49a24bd9daa1e4a31e25b6c393cc
- 07 R 4744083469f66fe44e8501c4ed4a5f06f377f0fcec74653362c98d0ba6b12f58
- 08 R c72baed03e53403bc6d0daffa3326097f08e7b2dabf36f5223935b32afe9ed53
- 09 R 6089af4281a1d71e002343033736f02abd80dbd0bd79de3c82f105936273e61d
- root 4b63d714ca2f51791ac474bf7c3a7c9402057256bf98b89b2e66b1805ed7c8c5