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 - ILOCOS NORTE 1ST D Award a ₱4.3M contract to ALTHEA CONSTRUCTIONNational agencies
Transaction hash:
cd8a22d035a6f01a46685f2c0a5c594d60f2178647b29c05c0c4dfbb843a3e59
Status:
Included and unchanged
Block:
#3,157 2,856 blocks after it
Position in block:
Transaction 160 of 188
Award day:
Aug 8, 2017 (9 yrs 3 mo ago)
Value:
₱4,334,312.65
Project:
17AA0341
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 #3,157 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 2017 DA FMR", i.e. the FY2017 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 - ILOCOS NORTE 1ST D awarded it to ALTHEA CONSTRUCTION on 2017-08-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17AA0341: 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 2017-12-01). 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 cd8a22d035…3a3e59now …
- 2. Block Merkle root changedstored 26d08505c6…060908now …
- 3. Block #3157 hash changedstored 7d31c2e704…c54e36now …
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 187 records. Each step hashes the current value together with the sibling shown.
- leaf cd8a22d035a6f01a46685f2c0a5c594d60f2178647b29c05c0c4dfbb843a3e59
- 01 R cf274464119a9e9f5f4fe8accab5c8f2ee9a1b402152e0dc38824ccd6e516d52
- 02 R 43cad129d569fc2ecf74a34c4c35fd40d844120113318ad943b53bbcafb4bc66
- 03 R 857ed919967c2ecac4140e95e836f6e56c87771e14c56d21eced7eecf9a28037
- 04 R 55728dcb8402b07b3cc7ba61d9e9a606f836b8fbac382b5352babbdb4b25f04a
- 05 R a3962acc07df987afb8d1f269c502605506d3c4e87fcd58f5396018121935eb1
- 06 L f19ea17dcd4ce19b8210ca2868a702840d4aea82e4d1dba7a7aeec006d0aaf86
- 07 R fe7901b0d5ca1095607e193c8e45716e35136c901638ee3f7d14a98fd1bf688a
- 08 L 790b6f0d826d2da766997028b09985d76064d60579ee0f04add84de3577ab6b6
- root 26d08505c64c563855d45eb42c4f449a0deb487bbdf8e5c8a2edfeb1f9060908