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, NORTHERN SAMAR 2ND Award a ₱4.6M contract to AREX BUILDERS & CONSTRUCTION SUPPLYNational agencies
Transaction hash:
ab6d7bdbc0e2a97a3cd1072f0c7cc799c86b560fe9340d7e9dd9c1073ae3fb50
Status:
Included and unchanged
Block:
#2,666 3,347 blocks after it
Position in block:
Transaction 154 of 223
Award day:
Feb 18, 2016 (10 yrs 8 mo ago)
Value:
₱4,569,691.30
Project:
15II0138 (Readvertisement)
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 #2,666 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 2016 Locally Funded Projects", i.e. the FY2016 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, NORTHERN SAMAR 2ND awarded it to AREX BUILDERS & CONSTRUCTION SUPPLY on 2016-02-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 15II0138: 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 2016-09-16). 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 ab6d7bdbc0…e3fb50now …
- 2. Block Merkle root changedstored 249cf0ecba…f62868now …
- 3. Block #2666 hash changedstored 793ac7cbb7…32b57cnow …
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 222 records. Each step hashes the current value together with the sibling shown.
- leaf ab6d7bdbc0e2a97a3cd1072f0c7cc799c86b560fe9340d7e9dd9c1073ae3fb50
- 01 R ac9ea90fe95cbb9605bd6f27a77d8408125d184575b64684ecbca1373dc1ac7a
- 02 L 48aa3b37e7a905befb56fe885e176220fdf9478c0bdb4f2c8946856d5c004959
- 03 R ab2377b87cf758bc68ed4ddb2b7e3ba672a02f0c0940caaf510e327fc2a9c034
- 04 L 1df0086ec316a4e770b885a03a0ce889ae5ed4a9703acb1829a1725b1aba2fce
- 05 L 2aa9e4b31de8b1c4b0afe616c5e389268e19492bcc97f91d21403c7a7eafe053
- 06 R 7619f99c9574b1a79c92dadb2c485ae8266ce87b55ca63427e0409fce4a2190e
- 07 R 3d4775550a9641e3dac87ba29c35ccb5470e293c0b0a5e39be0146a661ffdd81
- 08 L 21f767b26332f55d29b7a085519e3a4fb2de25a6e3a27b13c22be3855a18383e
- root 249cf0ecbaa24686a2b4a3d95165d7b4f9f4d9c441b2c139bdf87cbfcff62868