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 - TARLAC 2ND-DEO Award a ₱1.8M contract to E.M. MALLARI CONSTRUCTIONNational agencies
Transaction hash:
7e9fb95a87ae4e632e72e50b4bdcd164e08eb7985b6cccd581ceb14a2b843332
Status:
Included and unchanged
Block:
#4,241 1,772 blocks after it
Position in block:
Transaction 169 of 373
Award day:
Oct 5, 2020 (6 yrs 1 mo ago)
Value:
₱1,824,171.33
Project:
20CK0013
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 #4,241 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 - TARLAC 2ND-DEO awarded it to E.M. MALLARI CONSTRUCTION on 2020-10-05.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20CK0013: 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 2020-12-28). 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 7e9fb95a87…843332now …
- 2. Block Merkle root changedstored 3074e76a7f…d80119now …
- 3. Block #4241 hash changedstored 026d26892a…b3bc1bnow …
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 372 records. Each step hashes the current value together with the sibling shown.
- leaf 7e9fb95a87ae4e632e72e50b4bdcd164e08eb7985b6cccd581ceb14a2b843332
- 01 L 7e39fdb5740aacdcf097f331f0def423e074fea75da89db71830248fee3fd855
- 02 R bb7c4f1168b30703d5067b07f85bfcd257bef73d32f1e69683556ceac92b6be7
- 03 R cfbe29f07eb02549f2b966b8443826e059e9934bd06a6b6d2956f20fd0e3bc4c
- 04 L 8157b11605e3e0096db5487832501b9b9ebe19ead55afbd671bf79692106c4c4
- 05 R cd4bcd22ce2d745992906ac6f3bf23e51c7901dc2b795bbfd5218109d30f08ec
- 06 L febfbeb6089c962538c38f6b7a39f7501525569cb6331eeb72aa8bea20713303
- 07 R d3268e0f78fc83ac19954216b517170db5ca640cb33e179587295b398034869e
- 08 L 19381763f369a1bffb855660ac0dac52051aa254b5197a5705823cc0c9f3c40c
- 09 R 0eeb0af1ad251a472dd070d9ebdb6472107ffdf946b44fc42583858c794a7b9f
- root 3074e76a7f2ee939bcb259a086aa05c9ee54114e34d5cba33329d3e964d80119