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 - SURIGAO DEL SUR 1S Award a ₱70.0M contract to O.G. SANTOS CONSTRUCTIONNational agencies
Transaction hash:
ef3e756fcad2d196ef083ffee534c41f2f4eea28c5e361548ac7b257053516ec
Status:
Included and unchanged
Block:
#4,381 1,632 blocks after it
Position in block:
Transaction 316 of 345
Award day:
Mar 5, 2021 (5 yrs 8 mo ago)
Value:
₱70,024,524.97
Project:
21NH0058
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 #4,381 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 - SURIGAO DEL SUR 1S awarded it to O.G. SANTOS CONSTRUCTION on 2021-03-05.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21NH0058: 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 2022-01-26). 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 ef3e756fca…3516ecnow …
- 2. Block Merkle root changedstored 5705d454b3…db2c2anow …
- 3. Block #4381 hash changedstored 62e450eb83…3802f1now …
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 344 records. Each step hashes the current value together with the sibling shown.
- leaf ef3e756fcad2d196ef083ffee534c41f2f4eea28c5e361548ac7b257053516ec
- 01 R efb1bbf5ee0bcf2053dbeecd29cba8ba2e4fa1dfd5bd956db87058280b188566
- 02 R d7fdc8cbf122fdd2d706a3f17c3621e825fcb91bebab3db5753b9077d4eac72d
- 03 L 254cc1b55b4389511be9d70060165ffa43eb9d7cf698098091a1d81592f2d9bb
- 04 L 07f2856fbbc8dcbfa544f94740cbb4e5791e22308e7fcf0ac96fc9ee6d2ba681
- 05 L 2967bbb228f1da82dde74eda33d349c666c47e08bd90fcb58761249e535d6d02
- 06 L a3b26f74efdd9f8e511ac866598bc3b1c425f3bb07034758a187254206cf1242
- 07 R 1fc016cea506a6a82ff597631c00967d8b79945b60ce2d17ab19a42a2fa74bbe
- 08 R c74487fb418d4d54c09891e57d09d1db39c94e67867c48a1e3548a22bbab8eba
- 09 L f1a23c510b0974033c9c92c2241c956215bd9f56574ffc9541303f69248bf529
- root 5705d454b3dba44eb5a82b3fee73726b3bb13e8e073e9b1238217ecabfdb2c2a