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 - MOUNTAIN PROVINCE Award a ₱24.4M contract to A.P.O. GENERAL CONSTRUCTIONNational agencies
Transaction hash:
dbdbe7436f72f6ddf52f795fb2229f81e2db076b4f8f77b4a16a455726b5e20d
Status:
Included and unchanged
Block:
#4,447 1,566 blocks after it
Position in block:
Transaction 200 of 237
Award day:
May 11, 2021 (5 yrs 6 mo ago)
Value:
₱24,377,031.02
Project:
21PM0007
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 #4,447 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 2021 OO-1", i.e. the FY2021 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 - MOUNTAIN PROVINCE awarded it to A.P.O. GENERAL CONSTRUCTION on 2021-05-11.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21PM0007: 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 2021-09-26). 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 dbdbe7436f…b5e20dnow …
- 2. Block Merkle root changedstored 81e4cf7454…d2d9ffnow …
- 3. Block #4447 hash changedstored 196579199c…0211d1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 236 records. Each step hashes the current value together with the sibling shown.
- leaf dbdbe7436f72f6ddf52f795fb2229f81e2db076b4f8f77b4a16a455726b5e20d
- 01 R dd2981eeed4f9d0fc014420015d45b9d65f1bfb16287afb0f2abef26351ceab2
- 02 R e7f3ceb309e6a079fc9bcc7d550f769fc92808ad1f3c3c61b51b859bbb3441ab
- 03 R 1012032a596f3fdb99ce8a40137e91dacc3bdda79ff63450314ff63086bbf469
- 04 L 1714dd0567c9cac71caefcf5e647dd40126ebc3e73d962448a4b304e1283ced8
- 05 R 20a96d149bb4292cfc50726627f648825a213d5e1ec63a96b70fc68bab3e90db
- 06 R 33a2006a16b53620f09f2014baae502d4daffdc99283abe80a3eb9b5f36fc890
- 07 L ff38406c45404338823e1a0337737d27d4911d43c41b62152cfea0a84fe7a028
- 08 L 261b447acf2990c29f42057a3d05954d7f1c915d56b01ba98db8ca06f30d2009
- root 81e4cf7454fc46f5c4535fd05a5803d27b509c91d55c1ca634929a5a1ad2d9ff