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 ₱988.0K contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESMunicipalities
Transaction hash:
7db683024d0e993f5b3e9cb24281e642ec017d6118e08a7324c8b466c6bcf5b7
Status:
Included and unchanged
Block:
#4,882 1,131 blocks after it
Position in block:
Transaction 63 of 121
Award day:
Aug 9, 2022 (4 yrs 3 mo ago)
Value:
₱987,961.98
Project:
Farm to Market Road
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 #4,882 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 J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2022-08-09.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 7db683024d…bcf5b7now …
- 2. Block Merkle root changedstored e9c696ba48…a94c72now …
- 3. Block #4882 hash changedstored 6ce9ca2cc2…82a173now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 120 records. Each step hashes the current value together with the sibling shown.
- leaf 7db683024d0e993f5b3e9cb24281e642ec017d6118e08a7324c8b466c6bcf5b7
- 01 L 7c325541b8d498150361ac1e68bbfc44b34db4d595b845ee951e5f09ad54d3aa
- 02 L 6753bf2952b784c1150093395480a1344975b5ed1c39e1f4f33d0103302d9425
- 03 L 4dffe256ec4d5be766e5a611de97a81c6e71eacf7de178a1adcf95aba7056eb3
- 04 L 4e87c1494cd5d65ff35f906dea1857bc463fdfada620cddc7c0b5a4d24b6975e
- 05 L 8073c3a14520b28e408fbcf868cf7c79fb542fbbf6df8e633fde88e594f3d7bc
- 06 L c918a0e0f733d2fb3fa9af3b39fddd7b95342dad0e6b383350917138583fc4c0
- 07 R fa40af255203cfc133840483f0e7eea87791f9013ad16b289dea580610d6c46f
- root e9c696ba48637bc6b7986fb03a0a5fc579e8ea5a8d3cc2b74a5a031009a94c72