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 ₱2.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESCities
Transaction hash:
8ef1694d35fc3be1c8afb241ed15cdef2b8c21f4b3ed4f44b2a5c05dd6e029bb
Status:
Included and unchanged
Block:
#4,327 1,686 blocks after it
Position in block:
Transaction 59 of 100
Award day:
Jan 4, 2021 (5 yrs 10 mo ago)
Value:
₱1,986,371.53
Project:
INFRA 7
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 #4,327 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 J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2021-01-04.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 8ef1694d35…e029bbnow …
- 2. Block Merkle root changedstored 6396da0413…fbf716now …
- 3. Block #4327 hash changedstored 68d4f8d44f…4d533dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 99 records. Each step hashes the current value together with the sibling shown.
- leaf 8ef1694d35fc3be1c8afb241ed15cdef2b8c21f4b3ed4f44b2a5c05dd6e029bb
- 01 L 8e2b2d649b46dacf6df9539cd5690bbe6af82ed0386b892616301663ab55f063
- 02 L 47ce407aae5646bc8eadce9f45fc160002318a400b5053bdf0c5574c00cf93d6
- 03 R 779231974b874f026c9377262de2d0be05baabc1fbe1117c5fa96e41c6743be6
- 04 L ccd23dc32d39f1100698f52e8fa92830d39199579ce4b541a2d352b61018c16b
- 05 L 1627e672708f5f4822852ad2b0fc9bf49ad79294a74ac08861a8942f727e6373
- 06 L dd29bd879e0afd0b92f387e6c7949a6b029da601ffd4fdf0e379f08853d13027
- 07 R 7c10424b6331c7c8e1dfc3a4ae567fb37d0746ff69e2383024728f2c06a0d0fe
- root 6396da0413025f5acfff90ba55befebe6758388b032b0968822a64ec46fbf716