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 - SDN 1ST DEO Award a ₱13.8M contract to C.V CONSTRUCTION & DEVELOPMENTNational agencies
Transaction hash:
86663e8a147fc9bfbdfeb4df8016a551cffed4c82770010d2a340c05dc6c1431
Status:
Included and unchanged
Block:
#3,634 2,379 blocks after it
Position in block:
Transaction 367 of 730
Award day:
Dec 28, 2018 (7 yrs 10 mo ago)
Value:
₱13,836,651.57
Project:
18NF0116
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 #3,634 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 - SDN 1ST DEO awarded it to C.V CONSTRUCTION & DEVELOPMENT on 2018-12-28.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18NF0116: 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 2019-07-29). 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 86663e8a14…6c1431now …
- 2. Block Merkle root changedstored 75def44879…f9616fnow …
- 3. Block #3634 hash changedstored 94692ed2c3…34fbc1now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 729 records. Each step hashes the current value together with the sibling shown.
- leaf 86663e8a147fc9bfbdfeb4df8016a551cffed4c82770010d2a340c05dc6c1431
- 01 L 85ee3f7e49d4d5f1eebd763bec179d02317e849cdeab67e2ff6bfed05dacbe26
- 02 L 8b4c83541ab46759060d0d6c20d0395164aa3a3b8d83818e9d1e9b715e02342a
- 03 L 2df6c7642c44267edc08c8754161aa4c490b3db3ab8a9ea61fdfdc23a4d6549a
- 04 L ff18e4fbd60b2d99e6b7352c31c7833ef8574b9f3f7f5c008acc1306bc767454
- 05 R c85a7209d051b01218c13aae1fed4d4df340b6e586c25fc8afe4e1d1755c91ba
- 06 L cfd3bcac2d088c4fbfbb395f9d5eb11d6821d673eb75076a4115ecb4e462a3bc
- 07 L 05a3cccd5296a2bb7c90e05828011f86cdf5fee53b8142d7853370ac585fd4ba
- 08 R 9ffc0cbe96920cf93e4fb0587b3e79739e74cd851fb528d6c17ff0efa966addc
- 09 L 20995871c7a6bb6576d3818ae820abd26ccb69ebb0e0e2e6fe8956a7091dd6eb
- 10 R cf3243202ad1b16d7e57e5f2d3e902ac40b85808b694f6871754c91847a96f1c
- root 75def4487972b97a763296b969099a2c63f0971201928d1f405677d05bf9616f