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 - MINDORO OCCIDENTAL Award a ₱1.9M contract to BLACER CONSTRUCTION CORP.National agencies
Transaction hash:
ef3a196d043daaa8741cbdc6e37282337134024628f07dd096d1aad33253c391
Status:
Included and unchanged
Block:
#4,611 1,402 blocks after it
Position in block:
Transaction 443 of 475
Award day:
Oct 27, 2021 (5 yrs ago)
Value:
₱1,901,084.32
Project:
21EB0133 Construction Project
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 #4,611 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 LP", 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 - MINDORO OCCIDENTAL awarded it to BLACER CONSTRUCTION CORP. on 2021-10-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21EB0133: 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 2022-03-07). 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 ef3a196d04…53c391now …
- 2. Block Merkle root changedstored 8bdfc8fae8…48b275now …
- 3. Block #4611 hash changedstored 314b9ebd15…8f1203now …
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 474 records. Each step hashes the current value together with the sibling shown.
- leaf ef3a196d043daaa8741cbdc6e37282337134024628f07dd096d1aad33253c391
- 01 L ef1030134d1fd931df9f3c6b00a0e4d4b13278b8655ab203d97f3dbff347c729
- 02 L 66a56ff665ac726a68eb13aac4b55004f5250c5cc8f1b50d47a29ec9a2fd87ca
- 03 R 5a6ac900e7a097c2a73d984cce3a5ec740d4a8f3e9aa6131152078eb651919b1
- 04 L b197a2fdd1333977d141307229b604817ad665d55937ddf6e94275bb2765683b
- 05 L 505d44606df68830d0aff27cd5cbc6d743e2bed2c7899f76d3cfb1d4f7663b3c
- 06 L e28f2fe0091964c0efc66c721f3796cbd21d6ad8b2981f8d5fd1a4fc2470247d
- 07 R 0b683665b30a3ac5a6c4ed4ba34c186e2345f6dd47b1fbf351b690ad294d190f
- 08 L b94f230b2f671435934c852e429603c2b6c2548538f966d67da58d4156d813f4
- 09 L 818f346d52c7907f82b0bc2bef454d10b770b6ef4415cf9dc7ac2dd427639e09
- root 8bdfc8fae830a3827356c9dcf45c6a45478a6d829ff8d6fffeea5a183348b275