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 CANDON, ILOCOS SUR Award a ₱3.0M contract to MRK-SQUARE CONSTRUCTION AND SUPPLYCities
Transaction hash:
ce6c8899e712de2dddc91eca32b49fa6fefbfa7a97a1be2d102afb754ec2bb31
Status:
Included and unchanged
Block:
#4,599 1,414 blocks after it
Position in block:
Transaction 163 of 194
Award day:
Oct 15, 2021 (5 yrs ago)
Value:
₱2,992,718.95
Project:
PW-2021-10-1
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 #4,599 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 CANDON, ILOCOS SUR awarded it to MRK-SQUARE CONSTRUCTION AND SUPPLY on 2021-10-15.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 Candon gave a "qualified" 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 ce6c8899e7…c2bb31now …
- 2. Block Merkle root changedstored 329c4d9854…3ff544now …
- 3. Block #4599 hash changedstored 18fb4bfd68…4a0061now …
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 193 records. Each step hashes the current value together with the sibling shown.
- leaf ce6c8899e712de2dddc91eca32b49fa6fefbfa7a97a1be2d102afb754ec2bb31
- 01 L ce389a9effbd3b1a30bb111c40f65ec181d01d742f311a0ce962de0cf8633469
- 02 L fe7b44e395645f7bf6ce5ec02391c74558a3c14f63b190363ad40663909caf0b
- 03 R 425b9a9158a70d49cd1b979ad2eb0b4413d3bc3794a0f32f398264a7fab57339
- 04 R 2bdfd150387c365bd2c2b0079571ed7679b1048db13257e51de9df69c2fb8e42
- 05 R b44398d169dc8577300202af52abed7e12120f86a0b2ac7d68a433569148bce8
- 06 L 8b10cec84496e341b8ded275e875eee746a2d442c838cd8a1ab4a20bde6cad92
- 07 R e46687e0a78dd4ca86fb9db07840d386141bf3eb265ca7cd5c8edcc802ceecd5
- 08 L 9ddd2d120a7972cae6fb1151e2e035039b0f8110ab2eb67541916b4a0f4aa826
- root 329c4d98541301df4d2873d562ac07306a87383bb29fd84f553b219e0b3ff544