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 SUDIPEN, LA UNION Award a ₱132.9K contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
a28301bcb95b82cbb2de3b408c2706520221e1f912323af122bf6dc19057d33e
Status:
Included and unchanged
Block:
#2,566 3,447 blocks after it
Position in block:
Transaction 104 of 171
Award day:
Nov 3, 2015 (11 yrs ago)
Value:
₱132,854.67
Project:
INFRA 15-10-35
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 #2,566 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 SUDIPEN, LA UNION awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2015-11-03.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 Sudipen 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 a28301bcb9…57d33enow …
- 2. Block Merkle root changedstored 109d1d25fd…c423d9now …
- 3. Block #2566 hash changedstored 5fe75acd26…b31a1fnow …
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 170 records. Each step hashes the current value together with the sibling shown.
- leaf a28301bcb95b82cbb2de3b408c2706520221e1f912323af122bf6dc19057d33e
- 01 R a2d017656e5cb2d3b576aa8005ba904589415c40ebbd28d78ce3bb966a60f348
- 02 R c86683909aed8e0498ebc26038f0a414777513e97f4349b63b104d2a96108bd3
- 03 R 9ecc61f6bcf82309a7abbc2d397cdef0d283e318e73ba46db5261f840c4af74e
- 04 L 922b3cccdd8e5e9319a472fd3188f0df90a6b81b264ce276240a14634640bbd8
- 05 R 8c00c42799b8073bbb7d67a697fdba0c6cab33194a9039e1851158ede838a204
- 06 L 95cf5a33d89ab46514479795b54fdbc106a09177396e4614e1b3efcff30f30e1
- 07 L d953c490072ab6657387e322dca1d0b56a4dc1fb27884a45ae9112198e5258d0
- 08 R 377705ae587e3366ef0ddabb4a8c01c03284007a32c5599b395ed70b3430fc50
- root 109d1d25fd805aaf265617a850e1b802d4f47267c1d820777d275ca67bc423d9