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
CITY OF VIGAN, ILOCOS SUR Award a ₱97.2K contract to BLUE DRAGON CONSTRUCTIONCities
Transaction hash:
dc7d99fadbfca4a3e5f614c640d893fd18fa8d3b38dc6278fbefd256fa418938
Status:
Included and unchanged
Block:
#2,855 3,158 blocks after it
Position in block:
Transaction 172 of 208
Award day:
Sep 20, 2016 (10 yrs 1 mo ago)
Value:
₱97,215.30
Project:
Construction
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 #2,855 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)The award does not say which budget line pays for it.Not published
- 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)CITY OF VIGAN, ILOCOS SUR awarded it to BLUE DRAGON CONSTRUCTION on 2016-09-20.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Vigan gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 dc7d99fadb…418938now …
- 2. Block Merkle root changedstored 12d0fe970e…1df4c8now …
- 3. Block #2855 hash changedstored 4902449c8d…532354now …
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 207 records. Each step hashes the current value together with the sibling shown.
- leaf dc7d99fadbfca4a3e5f614c640d893fd18fa8d3b38dc6278fbefd256fa418938
- 01 R dda3de8de24d3d7e1599da20f96f493083e1a4677162dccca505746e0beedbaa
- 02 R 20b4235051fb5318b78edaffe81b4eae7973c210b5079d738b82a4ca5f698785
- 03 L 0732a5d0a997acc749357e6aca2de4c8c360504dc87cfd026ba8dbbe5a2dcf7c
- 04 L 7a80abea98b0466528bf873757564092bb12f8cdaa0e6bda570df4e7ef0a19ff
- 05 R 0174e42d3cf04db841476c4e0af6ca113278ced297d45e080e8b4da26d81c788
- 06 L 5aadb38dd5a1f1768d9a1e3edb68f91b80dacb8d56be008651d8646c65015b5c
- 07 R 55ed5bf617473e127e04b94fde4edc695c9709b12eb516b5175c93202298eea4
- 08 L b7a0d99ce13322f485e5ec0bcc23d6c6c763d4fa5f09047fa7ac7f0047ea94c7
- root 12d0fe970e9a8c209ee90888a0b73c092f9359a6f3209e66ffab47f2711df4c8