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 LA UNION Award a ₱2.9M contract to E. E. MADAYAG CONSTRUCTIONProvinces
Transaction hash:
d8a4c5a5f4263fb9dc2e65f9db26c3ea3d0d28f0733ad1bc836eb282353ad413
Status:
Included and unchanged
Block:
#4,276 1,737 blocks after it
Position in block:
Transaction 296 of 339
Award day:
Nov 10, 2020 (6 yrs ago)
From:
Value:
₱2,910,899.73
Project:
Carmay Farmers Multi-Purpose Center
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)PROVINCE OF LA UNION awarded it to E. E. MADAYAG CONSTRUCTION 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 La Union gave a "not stated" 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 d8a4c5a5f4…3ad413now …
- 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 d8a4c5a5f4263fb9dc2e65f9db26c3ea3d0d28f0733ad1bc836eb282353ad413
- 01 R d8afa0485b3f0b3ff346b927b8b57df20d22a80baa9182872c235a1492c86595
- 02 R 42c48de06aac1e714ed61ca204bc0cc4335b1b71af2963fe80dc9a3224f66e4b
- 03 R 92a7e225cd01c0d97474edce4c81f33217044c3d41654792791b64f2dc018d2d
- 04 L fbb1116a3016d81f0eb77fe1fbf21f5d1dfa47ce80e6bbebe898f0f16a0c2226
- 05 R 478f524625aec169e351a6b3587ce17583ef5c4fbe60383117014f3dc19ca58f
- 06 L 129dc2da48dd0ea252dede590d8138a63851864a856f85dd0e7e361b8b46a48f
- 07 R d9afd7e05997718d3de1413353c9f1dad6614e68edf94a805590af7faf418cc9
- 08 R 2e84700e01ce7b1aabde851584f60080b3247650d94b00e62050eacc349d25f0
- 09 L 3a8849bf80922b7324221baefe68cffd9a47dd28d89ad786276a645d4bec4a97
- root 600b78e642a5edaead582fa59a7331fbf77dce235c8d4daa8e2f2ff47c41eaa1