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
COMMISSION ON AUDIT - REGION IV Award a ₱47.2M contract to BCA CONSTRUCTION SUPPLYNational agencies
Transaction hash:
8dff21e2d93e9294994c2de3f42069f22a61b83e11d8b784991de35e879caa82
Status:
Included and unchanged
Block:
#3,995 2,018 blocks after it
Position in block:
Transaction 76 of 128
Award day:
Jan 14, 2020 (6 yrs 9 mo ago)
Value:
₱47,155,104.91
Project:
Proposed Construction of PSAO Laguna
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 #3,995 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)COMMISSION ON AUDIT - REGION IV awarded it to BCA CONSTRUCTION SUPPLY on 2020-01-14.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 8dff21e2d9…9caa82now …
- 2. Block Merkle root changedstored 2e76281889…061c48now …
- 3. Block #3995 hash changedstored e3e38eefd6…e0e891now …
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 127 records. Each step hashes the current value together with the sibling shown.
- leaf 8dff21e2d93e9294994c2de3f42069f22a61b83e11d8b784991de35e879caa82
- 01 R 8e200439de900773dd6a2ffa11c458a7a261bdd3fdedad1ba3e30d1b37766ffc
- 02 R 42916b39f2a81cabf4c9646a2094f5b257693e421844124ebcfd46baddf15ef2
- 03 L a58cc92203d13bd3c45ac4291d011631068e93ee6ddd56c831a6298661f0eef6
- 04 L f263fa0c1ea37e75ce05cfbb03dfad5d00e21e2b13b0c9b969653079fb366793
- 05 R 1b640b9f058aaa735b802654f793980751570036a28e78259afc6611f10af7d9
- 06 R 3c2751684a5b38a995e80d14f2931b7e77897ba06cf3b6d500855568b4840766
- 07 L b0953492900345f8e026bb13a808660172f1503b4f317a4d26750bb98be9c4e6
- root 2e76281889c8a253a6f7a95d4f1437c1866ddfb22c0169cbf706c59582061c48