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 - DAVAO ORIENTAL 1ST Award a ₱3.0M contract to LOURDS IVAN CONSTRUCTION SERVICESNational agencies
Transaction hash:
8d73bb6acd344db8be6d1aeb673ecd2b32beda577b36a69882cf39893176b229
Status:
Included and unchanged
Block:
#4,359 1,654 blocks after it
Position in block:
Transaction 112 of 215
Award day:
Feb 9, 2021 (5 yrs 9 mo ago)
Value:
₱2,983,488.54
Project:
21LF0045
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 #4,359 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 - DAVAO ORIENTAL 1ST awarded it to LOURDS IVAN CONSTRUCTION SERVICES on 2021-02-09.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LF0045: 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 2021-04-19). 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 8d73bb6acd…76b229now …
- 2. Block Merkle root changedstored 6a177b2bad…570cfbnow …
- 3. Block #4359 hash changedstored ee5aefc1b5…987a97now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 214 records. Each step hashes the current value together with the sibling shown.
- leaf 8d73bb6acd344db8be6d1aeb673ecd2b32beda577b36a69882cf39893176b229
- 01 R 8de548a941c0965462fd1bd53072b74306e8b78202283e8acc22e0c3e80f8f08
- 02 R 800daa88fb1be6768868c130766f24d11230bbf2267d632afe0cbf22879e075f
- 03 R 4a2df3fb889811e414325a245201804b9fa4987ae1e5b9b1c48c6460e19ab501
- 04 R 6f439fd0a55965fd48c9f2a84d5772adbe2e7e28a2302090cc49944366d7157c
- 05 L 166e4a6a7fe489bf1358d63b5f502b6d55df1c027d471442229b2766721f4379
- 06 L b3226cced8c8c635b00b725c3d0ddb23c9ea39b2c3b15db57d59e606c3c2338f
- 07 L 7239fe7b31c87f27792349656a00f3c773b722484113c0637679ad80ca0267ca
- 08 R e03a1102f81d81b7f0ae89c44f22e4da78e674d9b9585edf425fe230e551f8b5
- root 6a177b2bad32e228838e5def7ab9615417ce4e242ee7e1241d8525cf0f570cfb