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 LAOAG, ILOCOS NORTE Award a ₱292.0K contract to BJMJB CONSTRUCTION & SUPPLYCities
Transaction hash:
a2f38949ca36a685286fe2a8052a49246191d74533f701ffee859d3a43ef92bd
Status:
Included and unchanged
Block:
#4,276 1,737 blocks after it
Position in block:
Transaction 217 of 339
Award day:
Nov 10, 2020 (6 yrs ago)
Value:
₱292,000.00
Project:
Construction of Drainage
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 #4,276 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 LAOAG, ILOCOS NORTE awarded it to BJMJB CONSTRUCTION & SUPPLY on 2020-11-10.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 Laoag gave a "unmodified" 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 a2f38949ca…ef92bdnow …
- 2. Block Merkle root changedstored 600b78e642…41eaa1now …
- 3. Block #4276 hash changedstored 7ba9b31e1f…095946now …
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 338 records. Each step hashes the current value together with the sibling shown.
- leaf a2f38949ca36a685286fe2a8052a49246191d74533f701ffee859d3a43ef92bd
- 01 L a27a0f414b1960a789958a365eac9888b7996f340ffa012c1d61a1187b6a7b50
- 02 R 91be261ae9193a41aaf8878385c46dcf98499546d1eedbad7e7d7da2d2996ea1
- 03 R af006bc774a80d91ae7fc1a5f1fe2cee6e0ea2bf106ea6cef645c642ea855a62
- 04 L 429018cf4632b6300b52bc599b673fc37e973cbda837c913e8d71d98ef572514
- 05 L 9de99cf9fee559f165d27068734f1832625d6ad12a797cf5f9113e1292427447
- 06 R 28f5d0468b1dcce434d9dcc5ab20324f760952d52b92ee63e3b2e5279f1176a9
- 07 L a182590047c7c5a32e37b21d3c558cd1ef685b8ae994d89ab9e0298106a42b29
- 08 L bae1ad123db3378511b8dd7acc2421aaff7fa80e5074474bd7dfe2e01e986d40
- 09 R 2520170426fe89467df8877d577d4000e60bf923b7d3bcc4d43a37c52ed3748d
- root 600b78e642a5edaead582fa59a7331fbf77dce235c8d4daa8e2f2ff47c41eaa1