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
MUNICIPALITY OF SAN JUAN, LA UNION Award a ₱5.4M contract to ARM ASIA CONSTRUCTION & ENGINEERINGMunicipalities
Transaction hash:
d2713ea2eb15e5a3ff1b7020b4ca802f208f1fbe4d20e873553d1cf73ad0bf85
Status:
Included and unchanged
Block:
#2,014 3,999 blocks after it
Position in block:
Transaction 40 of 47
Award day:
Mar 4, 2014 (12 yrs 8 mo ago)
Value:
₱5,433,900.00
Project:
Memorial Park/Cemetery
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 #2,014 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)MUNICIPALITY OF SAN JUAN, LA UNION awarded it to ARM ASIA CONSTRUCTION & ENGINEERING on 2014-03-04.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 San Juan 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 d2713ea2eb…d0bf85now …
- 2. Block Merkle root changedstored 5eaebf0372…34d50dnow …
- 3. Block #2014 hash changedstored adc1b713b3…fa98denow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 46 records. Each step hashes the current value together with the sibling shown.
- leaf d2713ea2eb15e5a3ff1b7020b4ca802f208f1fbe4d20e873553d1cf73ad0bf85
- 01 R d3692a63961f382986f0c3c0cc6676f85b4fba8bd6681c697ce3805317c4475d
- 02 R 321a3a431a7f9e1cf4bfb9d4217c8bca815a46700471621d976b86673f194608
- 03 R 44273e7680314f7c133246e922c7cc01991d669e1477ef09bbb63ae78da8d703
- 04 L a5999bb8fc409f2e1ba815a1ebd4aa15c33f827c01b167cb006c69fc14e340a4
- 05 R 0fb3191e6f801b484a4e82d1fe2a8de7175b5479d23808366a9d0fe6c11278d2
- 06 L c7d6199bdbed26515b701b3e4f12071700ae4b514580713e9d48297788ddbded
- root 5eaebf0372308df0ffaa7ada1b7d323c14acf34510956ac4e764435d4d34d50d