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 ₱198.8K contract to HEAF CONSULTANCY & ENGINEERING SERVICESCities
Transaction hash:
0aecb0a42dccda5d438bd318611c22933a0c7068ebec46a3edd1f8b4cf388b71
Status:
Included and unchanged
Block:
#3,195 2,818 blocks after it
Position in block:
Transaction 6 of 188
Award day:
Sep 20, 2017 (9 yrs 1 mo ago)
Value:
₱198,813.23
Project:
Road Reblocking
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 #3,195 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 HEAF CONSULTANCY & ENGINEERING SERVICES on 2017-09-20.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 0aecb0a42d…388b71now …
- 2. Block Merkle root changedstored 994616063d…8ab2e3now …
- 3. Block #3195 hash changedstored 8d68b1166d…bc3a53now …
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 0aecb0a42dccda5d438bd318611c22933a0c7068ebec46a3edd1f8b4cf388b71
- 01 R 0e62d552ec2af6e09046a8913079bbf786c161ae2664aee62c71b9240e3b0336
- 02 L b9767f1749ef823919028ed9b07c1da6fb3755e1b0c4acf9692333a5421ab0a8
- 03 L 1fa81a0521df772c89c3defade07fcad596ec2357d8eb914b3ce736163c07c39
- 04 R fc40576f019631a85ea1aeed3bd39354c8470344ca8a856cfc4c5d4fb4e6cc68
- 05 R b7044f1d7b06806505105e580453a7e9b1c4e079f5b50ef9e8c079e2df819889
- 06 R 8051d9d9db6c83a00268ffc1f646af87302a9d21f7433c5f8384a8e86f4e7549
- 07 R f6e30ca6584c958159d5d4cdad00125f4d65c7200f0c451b5ef0b173dcde46a5
- 08 R ff387ce71878b74883dbaa3b436f39411abdf4902c4d4eb0cb4baa83c375fc99
- root 994616063dbc5ec39c2744fc5d532d9cdc1a411ee3d5591ac3acb100478ab2e3