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 - ZAMBOANGA SIBUGAY Award a ₱14.3M contract to O.G. SANTOS CONSTRUCTIONNational agencies
Transaction hash:
d1f02725f5bef749eee6fc03a52fa3406afe86c593ac434a53e52dd2c29e9faa
Status:
Included and unchanged
Block:
#3,779 2,234 blocks after it
Position in block:
Transaction 251 of 303
Award day:
Jun 3, 2019 (7 yrs 5 mo ago)
Value:
₱14,256,952.96
Project:
Retrofitting/ Strengthening of Bridge
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 #3,779 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 2019 OO-1", i.e. the FY2019 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 - ZAMBOANGA SIBUGAY awarded it to O.G. SANTOS CONSTRUCTION on 2019-06-03.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19JI0043: 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 2019-09-23). 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 d1f02725f5…9e9faanow …
- 2. Block Merkle root changedstored fd8a41a631…bb787fnow …
- 3. Block #3779 hash changedstored d92557a172…619468now …
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 302 records. Each step hashes the current value together with the sibling shown.
- leaf d1f02725f5bef749eee6fc03a52fa3406afe86c593ac434a53e52dd2c29e9faa
- 01 L d0a756b9896e9da091699e416ccbe6537848335cabc90b92ca3f16ef1e4f3aef
- 02 L f62488490d7b58db6d6d8904dddfafa39d75348da9b4693b0e0e287be78fe591
- 03 R 28e1d901d634850310e6d2cc14b53286bcdca7864b1cb2726056b1079171b88e
- 04 L 951794696ccb92fb0a8aa8cb7c0f9234bb18f6fc514b164a20dc86169466c8a7
- 05 L 2832b5f1edfb479fdfad0452cb6069c9f52bef5da66795cb924e516b621acc24
- 06 L 2d229947d416b4ffb7c3a2dccb90bc331844f281e62db539224956b54bc6a162
- 07 L 5fcc3aa27a7abcc2d96a7e673709fe719370bd554d4c13e32c8e5f77ff20936d
- 08 L 6fbef155dbc778e237f0cf8ec6935c5f72bd4cc7ec57dc18dcb64ecbbf617eb7
- 09 R b06d26d56c2eda09375592e8c9c73ef51402375c3057dbd3624b9c3d09c61a50
- root fd8a41a631f325406f54d93c886979ac09e315f0e58f801fb068bf4190bb787f