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 ₱11.0M contract to E.M. MALLARI CONSTRUCTIONNational agencies
Transaction hash:
17de9cfef3afa5084faefe582442737d8ed691517e491ba56485ca4fca2f999e
Status:
Included and unchanged
Block:
#3,452 2,561 blocks after it
Position in block:
Transaction 39 of 443
Award day:
Jun 18, 2018 (8 yrs 4 mo ago)
Value:
₱10,962,188.04
Project:
18CK0130
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 #3,452 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 "Outside Infra - GAA 2018 DepEd BEFF", i.e. the FY2018 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 2018-06-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18CK0130: 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 2018-11-21). 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 17de9cfef3…2f999enow …
- 2. Block Merkle root changedstored c9b5f6ba96…c317f2now …
- 3. Block #3452 hash changedstored 2a6b1c8a39…ec35c2now …
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 442 records. Each step hashes the current value together with the sibling shown.
- leaf 17de9cfef3afa5084faefe582442737d8ed691517e491ba56485ca4fca2f999e
- 01 L 17b6ff24772f115d9ea7edea0663dbeb265f37f2c38c11a32bd3609bc60016ae
- 02 L f953ac341e12e648a51f6951afbc0e70493a0509c0213c474832f20b812ca807
- 03 L 567749b58cdeaa5880ac6ddb1433df28d0ffd04445e6292555021217b33777cb
- 04 R e34f770755947c4f1373b1f7d7797070c8f8e35588dd0818ddeb523f000c81a6
- 05 R d3b818b5ad1176aad753f101e2acee2bc1ccf6b5295cb1fce1405f9abf40716b
- 06 L 9f1c327acb97aaef41c229b366eea3f9115b584fa1355fc3401059c0188f06e8
- 07 R fd7e0a4841516ec069656006a43af43e32775d379813ee074928130c6ee11c7f
- 08 R 3e8ea97beb051e93b151dc71cb1f48b7169d30832b20833843bc1bf4332af06d
- 09 R d2cbb5f4ea9d22d741924b690ee7c68ec8640213a40a6b5ad93ced7b4b814906
- root c9b5f6ba96975ead2a2b23fc3d70956094e6562e85c843d8aec2d57ba2c317f2