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
PROVINCE OF ILOCOS SUR Award a ₱625.9K contract to MAPLE LEAF ENGINEERING AND CONSTRUCTIONProvinces
Transaction hash:
a77b67348020706fb0cfb97ad82019ab261c4b65dc30423fa934e62114b70352
Status:
Included and unchanged
Block:
#4,899 1,114 blocks after it
Position in block:
Transaction 151 of 235
Award day:
Aug 26, 2022 (4 yrs 2 mo ago)
Value:
₱625,903.03
Project:
Construction Projects
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 #4,899 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)PROVINCE OF ILOCOS SUR awarded it to MAPLE LEAF ENGINEERING AND CONSTRUCTION on 2022-08-26.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 Ilocos Sur 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 a77b673480…b70352now …
- 2. Block Merkle root changedstored c084590b6b…d0c281now …
- 3. Block #4899 hash changedstored ea279c6ae5…3fdc7fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 234 records. Each step hashes the current value together with the sibling shown.
- leaf a77b67348020706fb0cfb97ad82019ab261c4b65dc30423fa934e62114b70352
- 01 L a5619cdb93ecbdcf70076fa7eba730f066990b1d624753e6f4757585b483b489
- 02 L 2c3c915ea0e235db73df86ed0677f48a43611c8fe9b978dd6da2b3ddd20df87d
- 03 L 53001bd67bdb7d15e9e31681743b2653c6f266282440c80883985529bdbe238b
- 04 R 5bdbea91e628aa9cfe195c81691d7e8b07727c89fd9c01ec9fc9318c1956f9f9
- 05 L eac6a9c66ea1cb10795389d05417eab68e7793b5616fb7feaec0a4913f93a206
- 06 R d8eb42a15d1337f8a7291aecb9db579b11ccd63dc38b2bb6c5474bc7211ab8df
- 07 R 3901d7eb829e1bc21e87444cbda4d297c008df6a8abf5b9e41d9bddf6f47aa48
- 08 L 798f457bbe14fdf3aae31932d35ed1f6e352d415b6fe498c5b7760430d2e9a01
- root c084590b6b6e99cbb212e8562819b394aefd83ea186d44df9917aa38cbd0c281