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 - SAMAR 2ND DEO Award a ₱33.6M contract to LEDA CONSTRUCTION INCORPORATEDNational agencies
Transaction hash:
87e7b89a1503b2e53dff8a29197a699025369a05183b1f7bebae86151d04f0c0
Status:
Included and unchanged
Block:
#4,067 1,946 blocks after it
Position in block:
Transaction 45 of 85
Award day:
Mar 30, 2020 (6 yrs 7 mo ago)
Value:
₱33,584,949.33
Project:
20IK0044 (Re- advertisement)
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 #4,067 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 2020 OO-1", i.e. the FY2020 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 - SAMAR 2ND DEO awarded it to LEDA CONSTRUCTION INCORPORATED on 2020-03-30.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20IK0044: 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 2021-04-22). 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 87e7b89a15…04f0c0now …
- 2. Block Merkle root changedstored 3754f0aab7…c07eefnow …
- 3. Block #4067 hash changedstored b67c7489c0…1591ecnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 84 records. Each step hashes the current value together with the sibling shown.
- leaf 87e7b89a1503b2e53dff8a29197a699025369a05183b1f7bebae86151d04f0c0
- 01 L 85995a0b1781a511ac450a19e47e2f9147ff13739c5e992781b7e234baa22a80
- 02 R 83e4d7e14a4a7adb848793da07c7178b04b691e3634fa153496571375205d3b7
- 03 L 3bd06231609e6d89366ff04f4ecd64e00515fdcd6ef0c394e3874490073dc7b5
- 04 L c371edce94be40925697bc5802ee875610bf0ac1f2f862df32c9d8ac13c8eb52
- 05 R 34d0c6c84771d529c11a365a4b1898c72e1855aa5ed6fd0ed2b96f1ea495054f
- 06 L fcad9264ead9743cfff1f1cd2ce3bb95043d2fa8ed9f21fdff5da442b97465d9
- 07 R 5cc53a7a9ae45bd1f21643afd525190dca8baf2ac1ce34e27f0240331b1ee76d
- root 3754f0aab7dd76915ca6d34d65109890c98f14532c9e5b0b04ccf7647cc07eef