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 - SOUTH COTABATO 2N Award a ₱3.0M contract to JCML BUILDERS INC.National agencies
Transaction hash:
d08efbc8e2e1f1add5f09b09d1d8875bd3fe8dc6e22c8f65bf6cf529058d6946
Status:
Included and unchanged
Block:
#4,238 1,775 blocks after it
Position in block:
Transaction 319 of 400
Award day:
Oct 1, 2020 (6 yrs 1 mo ago)
Value:
₱2,959,594.69
Project:
20MB0121 - Construction of Multi-Purpose Building
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 #4,238 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 2020 LP", i.e. the FY2020 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 - SOUTH COTABATO 2N awarded it to JCML BUILDERS INC. on 2020-10-01.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20MB0121: 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 2021-02-26). 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 d08efbc8e2…8d6946now …
- 2. Block Merkle root changedstored 63c58808d0…e29a0fnow …
- 3. Block #4238 hash changedstored 38e5b5b6d6…8c5b83now …
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 399 records. Each step hashes the current value together with the sibling shown.
- leaf d08efbc8e2e1f1add5f09b09d1d8875bd3fe8dc6e22c8f65bf6cf529058d6946
- 01 L d03309bfaaba97f045f0a7d2f73ad95d405804a7e8315d0272dedda90522dce2
- 02 L 183081e63a15a32f0aa18f95344e6bf2401154137d2fe297336e7abf1ec3c4ac
- 03 L 2fef3b14aaef80a951bba0ecae3036efbddb7108db78116fe02395f8fb4a4252
- 04 L b362ecd67e3fd3ca7d04a52b94b87f185e94160d3d1d03fbee506e2d782f5200
- 05 L 9cd9eae0974fb424c32e39a6ab529de29112beb31d16b1894f35b8a6b1a956dd
- 06 L 712776fb50c55cff24854db864b598c6321094cf17c41b88550d89df08e6760c
- 07 R fcfa2236890c3fd63099ecd49c119bdbd046a2723bd5d0edb6669f0c4935c496
- 08 R eb0e30a27273787a0ff28363f4f574bf5851309f07fb41f2863afce04e552797
- 09 L f023beb010708ed3aaadfba21ef6e26a188d919575fe6a3b474f1c1d831cba41
- root 63c58808d0cb9aca9f42a865914899f55a5a7992f67c9b305f2b4d7f99e29a0f