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 - SURIGAO DEL SUR 1S Award a ₱4.6M contract to CM TAN CONSTRUCTIONNational agencies
Transaction hash:
f3486c66aaa2a4692ebd53ada5fa9925db9377743b0ebe665f187c26945a12d7
Status:
Included and unchanged
Block:
#3,347 2,666 blocks after it
Position in block:
Transaction 306 of 333
Award day:
Feb 28, 2018 (8 yrs 8 mo ago)
Value:
₱4,644,590.74
Project:
18NH0020 (RE-AD)
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 #3,347 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 2018 OO-1", 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 - SURIGAO DEL SUR 1S awarded it to CM TAN CONSTRUCTION on 2018-02-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18NH0020: 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 2018-12-23). 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 f3486c66aa…5a12d7now …
- 2. Block Merkle root changedstored cf23313fde…e92fa7now …
- 3. Block #3347 hash changedstored 5f9f1b7c56…c0c51bnow …
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 332 records. Each step hashes the current value together with the sibling shown.
- leaf f3486c66aaa2a4692ebd53ada5fa9925db9377743b0ebe665f187c26945a12d7
- 01 R f37452b2bee2d1d9a85650b4c434fcd42ceff17cb36c19c85f93fff159ceb3ee
- 02 L bb3db59b76682bb48e67ba9c316efc40eaaacdeeb040e9cfd2d6de87f984f3ad
- 03 R 66ff7747b4010aae53c753b5805e4befd9a76ac8b07bbed5df6b35c4c659de2d
- 04 R 032f4f4c72e4443d14e018c248245d7f36f5b107ceda7dbbeea75f02bd8e8a6f
- 05 L 8edb2376d557b4a00b2aa19e0ddc988a8cbe47af7e6e36c6683654c48f73ad95
- 06 L 75df434360ce04d094f1c612d91b7b65fafd968577dfb82d90c01c460a9e3c7b
- 07 R 8a9384c992d4aff89b7ca1305d5f7ec2738a17e8bb75b6cce73a0dcd8d922771
- 08 R e50251c71c4bed460615b59c29bb5af9ba4aebe2f82a7aece3bce57f072868cf
- 09 L 3cd21ded21e4d2e57c3142192fa78ca1c053b1a41a2f367683fbbd7b383e08d4
- root cf23313fde330a926392f691cd764528ac8aabaa02d1e3e1ba1ac1d0d5e92fa7