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 - BOHOL 1ST ED Award a ₱5.7M contract to A. A. DE VERA CONSTRUCTIONNational agencies
Transaction hash:
2a711bdca013ebdca8d17694236eb568eb7c8f2fa8099388f51cdbaa52410cb2
Status:
Included and unchanged
Block:
#2,852 3,161 blocks after it
Position in block:
Transaction 30 of 221
Award day:
Sep 16, 2016 (10 yrs 1 mo ago)
Value:
₱5,732,000.00
Project:
16HA0028
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 #2,852 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 "Outside Infra - GAA 2016 DA Farm-to-Market Roads", 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 - BOHOL 1ST ED awarded it to A. A. DE VERA CONSTRUCTION on 2016-09-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 16HA0028: 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 2016-11-19). 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 2a711bdca0…410cb2now …
- 2. Block Merkle root changedstored 695daecc55…1b2905now …
- 3. Block #2852 hash changedstored 136bfe5999…663c16now …
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 220 records. Each step hashes the current value together with the sibling shown.
- leaf 2a711bdca013ebdca8d17694236eb568eb7c8f2fa8099388f51cdbaa52410cb2
- 01 R 2b0f6609e6ed12bca7ed1b0c37bef8ebfbefe426b202303ad53926f63e1628c2
- 02 L c174d34c30c8b73e6a2c7e288fbbfcd03b3f2a42ed1b3fcf8c02777ffa5879be
- 03 L 87d70fe6d09e93f3e09f2728be789cff2c35aec130812cd7c99fbc4a9b4a11c9
- 04 L 509eb846b2fc983d3e22f4ce856f96baf86de778ad93573d875f8eaf6a605d98
- 05 L 1c8529749a9a5397b66e02d8b87bdadd70de3cd87fe25a22b560be1403d671c1
- 06 R 73f5bce94f0dec257d503516502b3dbd9009d2246d0e37f100a780a918bf3213
- 07 R 01e3f769d64539b6d118b887f658830b670e41166206a38e6efae4f5f5463781
- 08 R b3306d74d3df2a87d493ee390fbe9ef0e81eb887806adc52a427832fb98fe285
- root 695daecc55e3a987bd479e3db164b2aca2a1c18471dce1341402fed89e1b2905