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 - REGION X Award a ₱4.8M contract to HAN BUILDERS AND DESIGNNational agencies
Transaction hash:
bcc4ee2b613080b3d444bdc29a6fd0304f2953ecef3a3bb0c822e386ccaf728f
Status:
Included and unchanged
Block:
#4,452 1,561 blocks after it
Position in block:
Transaction 190 of 266
Award day:
May 17, 2021 (5 yrs 5 mo ago)
Value:
₱4,799,927.48
Project:
21K00201
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 #4,452 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 - REGION X awarded it to HAN BUILDERS AND DESIGN on 2021-05-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21K00201: 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 2021-09-24). 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 bcc4ee2b61…af728fnow …
- 2. Block Merkle root changedstored 6788a62102…26d633now …
- 3. Block #4452 hash changedstored 748c57c5b1…6021b2now …
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 265 records. Each step hashes the current value together with the sibling shown.
- leaf bcc4ee2b613080b3d444bdc29a6fd0304f2953ecef3a3bb0c822e386ccaf728f
- 01 R bd298d857b49a5c3e6e5f049de58570f1a047eb50b5312645ec51cbe9f6e2993
- 02 L 6fa0e51c50c1fa036af85a46b9f12d9d05c136a329f2c368c1d516424f8b7b37
- 03 L 4e97fc67d9dfe55080b9b6156aaccf0f36f25c079f13102de93e907b205f01c7
- 04 L 034fa32822b4a87a598b2e3b4c8b69d42951f9d655ea426086759fbca8663a01
- 05 L b21ca379d1d176a8c22144b974fa39aed4e4a71872c9dede4ae4eb1f2b51b061
- 06 L e1fbf3b106b905f22faa919a9a15f031ac8c2371468b458f07e8651df2b821a1
- 07 R ab3c98dafc8ca00d5d8a5c46ede3996ae494e63cc2c11eb4f84cd9f3b4696de8
- 08 L 9feb4a858368f81e891cdd5cae430ee4bdcf72bcd0a557cf477d9bd42dfdd644
- 09 R 8579e2aa00ebb9c9a5973be79783f1d3d1a93adc2d84429fad1e1ade2bb1e565
- root 6788a6210229cafd31779c64c01f10e73042bfb9054d651170bab6d52c26d633