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 - ZAMBALES 1ST DEO Award a ₱74.5M contract to R.D. TALENS CONSTRUCTION AND TRADINGNational agencies
Transaction hash:
4cf70efa2759de76a0574ed3beb0dc7b59e8d14fff4d7d8f12ef6277daec5c2b
Status:
Included and unchanged
Block:
#4,574 1,439 blocks after it
Position in block:
Transaction 99 of 292
Award day:
Sep 20, 2021 (5 yrs 1 mo ago)
Value:
₱74,479,452.04
Project:
21CL0090 - Mangatarem Road, Zambales Side, Phase 8
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 #4,574 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)DPWH lists the funding source as "Regular Infra - GAA 2021 OO-1", i.e. the FY2021 GAA. The exact UACS line is not given.Partly
- 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 - ZAMBALES 1ST DEO awarded it to R.D. TALENS CONSTRUCTION AND TRADING on 2021-09-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21CL0090: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2022-11-17). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 4cf70efa27…ec5c2bnow …
- 2. Block Merkle root changedstored b1840c0d3a…28610anow …
- 3. Block #4574 hash changedstored adec1f86b7…d9cab4now …
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 291 records. Each step hashes the current value together with the sibling shown.
- leaf 4cf70efa2759de76a0574ed3beb0dc7b59e8d14fff4d7d8f12ef6277daec5c2b
- 01 L 4ca1d1e073d62968d320d94c9ad3c72256de63f4a08794999165de20fef576f1
- 02 L 1cbd629ef88361c63b738b50ac64a5532d53134d44822d531aad35ccc9a3f210
- 03 R 6a1754876f32d7151919c00901a4eba0971531acbafc5bdb20c8bd92554ccfaf
- 04 R 954a5e582db51d76fafcc5ddfa279ebd13e73c1f71b0a9602b4fdabfa035573c
- 05 R 46f1b347201370feace7fb52bd3d010f6f0556dad758a7602f19cb7331c08e43
- 06 L 599702c26383b7ff0e3912f00e1ae17136927036eb9097bd0d78d7a977b25fb9
- 07 L 0955a47dec908ad44ecee6528dcad77cfbb7afd4d7d71511bdd11ee74a65d313
- 08 R 5316474bc5a753660f70f16cefc244221071363abee58837a8558e29b6b82952
- 09 R 9f0573f3facfdea23a8a492679b83892aa1eb1922a5cde664845be4f4877f4b1
- root b1840c0d3aaefa3c64cda2e07322319c01b8ff48fadf4ed596a904322328610a