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 - METRO MANILA 2ND E Award a ₱59.0M contract to J. H. PAJARA CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
8b038ca4b4f79bda28a38bbb3651ad3a2c2671ac210f756a2b5503e9e3d04466
Status:
Included and unchanged
Block:
#3,428 2,585 blocks after it
Position in block:
Transaction 283 of 485
Award day:
May 25, 2018 (8 yrs 5 mo ago)
Value:
₱59,031,455.61
Project:
Construction of Flood Control Structures
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 #3,428 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 2018 OO-2", i.e. the FY2018 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 - METRO MANILA 2ND E awarded it to J. H. PAJARA CONSTRUCTION CORPORATION on 2018-05-25.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18OC0095: 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 2020-03-09). 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 8b038ca4b4…d04466now …
- 2. Block Merkle root changedstored 4cc0423ea8…bb0680now …
- 3. Block #3428 hash changedstored 8bc6ab23ba…86f35enow …
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 484 records. Each step hashes the current value together with the sibling shown.
- leaf 8b038ca4b4f79bda28a38bbb3651ad3a2c2671ac210f756a2b5503e9e3d04466
- 01 L 8a6feb5bd320b67e528c11c1e64e734c17c2dae9d67ab4ec80ac391c05286fe5
- 02 L 3fdd642b7d90f2cef233b76fd0045660393231be55f0f3925a066737f8347bfe
- 03 R 16d6115fe5ac340238546e7e46d33f074bc3af5c0390792621d3e3ded8043411
- 04 L 82d9fcb10e9f743197aebb387256326f54dd78041cd2bd484eeb5b6d89ebbcf8
- 05 L f6402e1ed718ca6975752a6cfa9ce40ee1dc7e2cba277574621c145e2d2bf228
- 06 R eb5caaba6383f4b0c9710c0343e55b3b2986ad8b58c46ed2a781386c58defacc
- 07 R 8fab1ef61a0701e8e4c2b4edf183223c9d9c32e732cae4a9d625c50663dec400
- 08 R 6dbbf423ba768281d6a2ecbaddd67ac2657f0e8859eefe61414c3a2668cd3633
- 09 L db1e8a66ab36a86699eb6f7460e03290c1d39408a65761514622a27db0bcb1d8
- root 4cc0423ea844f5b448fa1167d8ba0fb515b1905c1da03b000db13e57e5bb0680