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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 1ST DEO Award a ₱4.9M contract to APS CONSTRUCTIONNational agencies
Transaction hash:
256e4c8b9c822dc6803e9fe7f0c3739b6926e643de7d293fa009f5e4578dfff3
Status:
Included and unchanged
Block:
#4,754 1,259 blocks after it
Position in block:
Transaction 407 of 2,935
Award day:
Mar 22, 2022 (4 yrs 7 mo ago)
Value:
₱4,890,000.00
Project:
22BB0031 (Re-advertised) - Convergence and Specia
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 #4,754 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAGAYAN 1ST DEO awarded it to APS CONSTRUCTION on 2022-03-22.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 256e4c8b9c…8dfff3now …
- 2. Block Merkle root changedstored 66d72ad66d…9aa047now …
- 3. Block #4754 hash changedstored a55128f2c5…82ae12now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (12 steps)
How this one record is tied to the block's Merkle root, without needing the other 2,934 records. Each step hashes the current value together with the sibling shown.
- leaf 256e4c8b9c822dc6803e9fe7f0c3739b6926e643de7d293fa009f5e4578dfff3
- 01 L 2567300a1403be88963b82cbaae6ef2a1f52ba4307056afe75f8ec1dae1abd6c
- 02 L 989b83f7ac3e7f825f132a946a61c817a6adc6138368b828f0c92753dc78fef6
- 03 L 743e2403b929820c236f29aee6786472f19eeb8b24d74032ca26abad1095eb32
- 04 R 0417feaf972340a9e7dd4eb968f477e89698085c7e6d8dcbfb5dc048d57f74ad
- 05 L 8ad7ad98b1b50c099b1d46b8fdbe9ba2eae11888bb7b0a39dc5c16751c74098b
- 06 R da362bc60af6c6660b24af5134ef7ce45c2440056dc57e6fb32f8fc37b7eb5de
- 07 R 31dc2728423a6772b9cb18fe209e2907a2b321b919b0db1dab478d662d33b6fd
- 08 L e1b278686c03f738b6c07bf44a8262d96b7960640d7480b2047c7f9d6139de78
- 09 L 1843a4a53ddfc760ce81ec9a57e0bc47fc5f3539e85b47da829aaf0f78d91ddb
- 10 R fb1b4b60080474252969948965800e705104969113b77558b7f460a4bce80ce8
- 11 R f9443c6cb9ac96737828b1ecd54aac7e925d9f3ec14fa5d030429eafb82df266
- 12 R f5ae93bd19d5163a86ab3809e5438db9fac5c1480b3570632518c979ef693bc0
- root 66d72ad66d493aa626c0806eb5f72de9588e7e3d5129bdaa9edbe51a709aa047