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 - NCR Award a ₱91.5M contract to AKN CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
fa193b7ff217c72fb7dc1ce63760b6c4c6ff42bac2099647929c1138d1f01289
Status:
Included and unchanged
Block:
#4,634 1,379 blocks after it
Position in block:
Transaction 267 of 272
Award day:
Nov 19, 2021 (4 yrs 11 mo ago)
Value:
₱91,485,029.34
Project:
21O00108
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 #4,634 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-2", 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 - NCR awarded it to AKN CONSTRUCTION CORPORATION on 2021-11-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21O00108: 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 2024-01-31). 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 fa193b7ff2…f01289now …
- 2. Block Merkle root changedstored 77cc858471…842b86now …
- 3. Block #4634 hash changedstored 8b76d29ee5…6189e3now …
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 271 records. Each step hashes the current value together with the sibling shown.
- leaf fa193b7ff217c72fb7dc1ce63760b6c4c6ff42bac2099647929c1138d1f01289
- 01 L f8136e0e09caaf9d1fe06c9f15d15fbc828addf308c00cefbb4d4b7b7b7f41bb
- 02 L 00aea6425957dc6eb99af6c93a479b72bfac0b32cdbb055d56b71d91748268bb
- 03 R df3481de4798f12fd6281b9968a3998ca3f2fdeef750c8cdab9da8a53129a247
- 04 L 554a65a3f2dd5822e6c2c4bac8d7beb04b51d93dabea27e1986b92033c309152
- 05 R 3460308f42cc26878332141e49fd4440dabb9a7d8971e99ccd4576fc701be092
- 06 R aaef86ccef994e25487f09d7fdf071d7daa9036fd922d3a7a4ffe24976462334
- 07 R dbd0388afc767729eeac5a0455e6ffb679622f62c950872a8e86b99fcd5618dd
- 08 R 58c71c38a42b4c63465a175c0951892ac925f3548c7d6a0d171ee4c41dccfc67
- 09 L 81bbe6de8355241f6d1f7d515d208a9d983e20f9e819dc9c8515573e84e72bfd
- root 77cc858471815898ed36cc68713aba994aea292d64cd536c7c07a9f6ec842b86