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 - MT. PROVINCE I DEO Award a ₱9.7M contract to CHAO-MING CONSTRUCTION SERVICESNational agencies
Transaction hash:
aa05ba71e5cd3184fff50bf0322273e57f0ba22772fdef5e3d65257c43ed73ce
Status:
Included and unchanged
Block:
#5,372 641 blocks after it
Position in block:
Transaction 306 of 460
Award day:
Dec 29, 2023 (2 yrs 10 mo ago)
Value:
₱9,692,198.52
Project:
23PI0107
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 #5,372 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 2023 CSSP", i.e. the FY2023 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 - MT. PROVINCE I DEO awarded it to CHAO-MING CONSTRUCTION SERVICES on 2023-12-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23PI0107: 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 2025-12-04). 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 aa05ba71e5…ed73cenow …
- 2. Block Merkle root changedstored ecccfc12fb…9fb697now …
- 3. Block #5372 hash changedstored 0e69f21184…1ac194now …
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 459 records. Each step hashes the current value together with the sibling shown.
- leaf aa05ba71e5cd3184fff50bf0322273e57f0ba22772fdef5e3d65257c43ed73ce
- 01 R aa34a5b7a928dd6de229bc13fd5d513a3b022ceb897f204335af0b095c4d4ea7
- 02 L 7b961e763c8be4d4a52ef9c2f0fa09cfd2859fd00940c0257067b04e38db2ea6
- 03 R 1fac5b9a8b25631d9ce4e7690175615c5d5510e403d2846af46ff996743f86b2
- 04 R 52ee6873ffb7037610b7a371da1f1e3dda7aa21c5dd6432c9ea3f2f4aff2433d
- 05 L da49311e12faf61af6fc0b0af4a46636f1f90ee9b1c10e5dd67ba538e7047f3e
- 06 L b12bb9704a77f73b23e8b42f9dcfe012bc92d33fb57947ba8d40116d1cc109f4
- 07 R fa15a3a141475b57b9bf1b4220dedc18497b0522762752f366f2d58c02723bd5
- 08 R 23586ddb404d5c3af64dd52ef0e942a53464fd382df01c244472fc1bd288c7b6
- 09 L fd6a75ac23aad471c0a9da4292c9354de922cf859be1232b19f8e76aafdc5be7
- root ecccfc12fb8befdcf6612d6d056673a717cb9e2b666e65ca4d016a06259fb697