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 NORTE Award a ₱18.6M contract to C.V CONSTRUCTION & DEVELOPMENTNational agencies
Transaction hash:
2b4e5403128cfda3d798481f607b87ac6106301b2878dadcb1e43177bdec3348
Status:
Included and unchanged
Block:
#4,020 1,993 blocks after it
Position in block:
Transaction 69 of 383
Award day:
Feb 10, 2020 (6 yrs 9 mo ago)
Value:
₱18,616,750.96
Project:
20NG0017
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 #4,020 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 CSSP", 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 - SURIGAO DEL NORTE awarded it to C.V CONSTRUCTION & DEVELOPMENT on 2020-02-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20NG0017: 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 2020-09-27). 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 2b4e540312…ec3348now …
- 2. Block Merkle root changedstored 79aa5e5e52…b0b931now …
- 3. Block #4020 hash changedstored c4554eda14…0c8aebnow …
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 382 records. Each step hashes the current value together with the sibling shown.
- leaf 2b4e5403128cfda3d798481f607b87ac6106301b2878dadcb1e43177bdec3348
- 01 L 2a81f326772ded0a1465028cb2e1ecfa4416c13d3b0510ee4350842dcb74489b
- 02 R 4372893030676433bd5b75b3ff5f89b879f56cd100bf625b4925ac8e85ef860c
- 03 L e6ca9773170a486ec75fa3af33d4bd34d206bd1d5dbf1675887b5ab81c568d90
- 04 R e678870d1683bd170ac89c54b87fd75db4cbe96997765973cd1a7671fc97dba8
- 05 R f5425c4660e5b90300331cef34b6aa009c8d1000f8ad3d696ae9e690ad7234d1
- 06 R ac8f2dddf9b68c6a821a7c632ae05382276aa8a28720049a6f6cdb24d4ecf12c
- 07 L a359eef40c794e0fc6e5154489bef5a8b500ed39a7b1f77ff7df24f82f237654
- 08 R 3efec9012e27d8f11a909c85f913d0a0ef324a5f5628753065ef4ecd3e2cf714
- 09 R edd5188453a3aaec9c63ad40700e69a5b26954e1736b715faf4566dcdbfb5a13
- root 79aa5e5e522d7f364c5405de45963e5dd980c4c90abffaf393216ad279b0b931