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 ₱4.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESProvinces
Transaction hash:
e1a2f38f9b4d704bd5c30abb19d792695dd01d280cf547b79ce0fa189d7fb4fa
Status:
Included and unchanged
Block:
#5,475 538 blocks after it
Position in block:
Transaction 413 of 474
Award day:
Apr 16, 2024 (2 yrs 7 mo ago)
From:
Value:
₱3,992,895.00
Project:
Nadsaag-Pacpacac-Pagdildilan 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 #5,475 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 J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2024-04-16.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 e1a2f38f9b…7fb4fanow …
- 2. Block Merkle root changedstored e201d1e5ab…9dc926now …
- 3. Block #5475 hash changedstored 3cfb7bdc76…05f48cnow …
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 473 records. Each step hashes the current value together with the sibling shown.
- leaf e1a2f38f9b4d704bd5c30abb19d792695dd01d280cf547b79ce0fa189d7fb4fa
- 01 L e0e1354f0191e9ddbf81759a191c8582ae03b96bbcd418c558299be6c2976c36
- 02 R ca3e83d8d1399c1096fb6f2166a6695281822f405cf95859461bbb9bb10a5d85
- 03 L b6a99b669b24882170da067c54bf142edb142de92656940c5e6c209d8c0b0d26
- 04 L 1a0836bf04a9082fe4772e6fd6bebdc4100147c419381a300c272cab61e18e15
- 05 L bf8f00c6d10e57ca83951b51434c5627e04282b917e686807aca93274bc1cf4d
- 06 R 3c5fd4c5f0a6c5f12a1aaeca238b9477d8de455878e27b5a46e43767d7875bce
- 07 R 7e034133ff3b4361c883e52ca31984977147a7683ea9cd19983c4e97acb11b46
- 08 L aeb11bbe7125616969b4899e54cfa2d0cee62aa4d0567eb308b7ff202d483034
- 09 L bc63f36d8caa2e9eff1beb1b4a33a76ab3f1c69e80ef1eeaa8329e5249a321ef
- root e201d1e5ab0593d4ba6f35ae939006ebc0ab20510f8ae25e1bbb96ea629dc926