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 J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESProvinces
Transaction hash:
cd6d5b0d454434ea8a04a49fa63ceae2ac9602b4ff4a5d96a1719f4e7bfc1ce4
Status:
Included and unchanged
Block:
#4,985 1,028 blocks after it
Position in block:
Transaction 194 of 236
Award day:
Nov 23, 2022 (3 yrs 11 mo ago)
From:
Value:
₱2,920,618.12
Project:
3 Units Spur Dike (Phase II), Nadsaag
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 #4,985 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 2022-11-23.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 cd6d5b0d45…fc1ce4now …
- 2. Block Merkle root changedstored 31b5a37a0d…1c7fc4now …
- 3. Block #4985 hash changedstored 339cc9f470…7b7b2anow …
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 235 records. Each step hashes the current value together with the sibling shown.
- leaf cd6d5b0d454434ea8a04a49fa63ceae2ac9602b4ff4a5d96a1719f4e7bfc1ce4
- 01 R ceefa6cbc85dc00dcdbf566be459760316023ebb807d26ab963c0a42cbc457db
- 02 L 50ab167984c9bde550b40d1cdc2155e3238582be9742b4f331dc82c5ad3afd37
- 03 R f1eb105747bbc85be83b739dac0c97bf54209e373a6e14507803089e27290b43
- 04 R a706dd394546c40eb9d491bc88c3ce3760be58019ec15cb157ffb9bb47f83768
- 05 R 8b1bef929b6a61d9003243852f7563474dce45e6e1d1097141b5cea76213899a
- 06 R caaec1e84a1959d79abc43884b6bd9f8eba431343092384841170160e2d6fbe6
- 07 L fb92a7d79c435e6173645a5b14fb7762e2090b49925ab978d533a39621ab3b83
- 08 L 7a6ef6567245a8246ec2e9f7dcc65f5ff51a25bce4a30bdee285a7b7785f9d69
- root 31b5a37a0dc5dd440e2760a9965d38c646a0e0a495a8c95f5349e72cb81c7fc4