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 LAOAG, ILOCOS NORTE Award a ₱291.5K contract to SHAWIN KONSTRAK CONSTRUCTION AND CONSTRUCTION SUPPLYCities
Transaction hash:
11e8aeddedcda00dd7f79f2f32e4c6b810992ef32103799d9f50259773b9de63
Status:
Included and unchanged
Block:
#4,321 1,692 blocks after it
Position in block:
Transaction 37 of 459
Award day:
Dec 29, 2020 (5 yrs 10 mo ago)
Value:
₱291,500.00
Project:
CONSTRUCTION OF CONCRETE PAVEMENT
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 #4,321 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 LAOAG, ILOCOS NORTE awarded it to SHAWIN KONSTRAK CONSTRUCTION AND CONSTRUCTION SUPPLY on 2020-12-29.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 Laoag 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 11e8aedded…b9de63now …
- 2. Block Merkle root changedstored f9b9f5ce30…320f50now …
- 3. Block #4321 hash changedstored 984ecf4696…f839aenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 458 records. Each step hashes the current value together with the sibling shown.
- leaf 11e8aeddedcda00dd7f79f2f32e4c6b810992ef32103799d9f50259773b9de63
- 01 L 11ba3925300f86fb971302c07b859a74458485db1e32022b0b33ba8095e10ed5
- 02 R 1211f106ba1293a8d8c0cfa0e302724416cacfb6837a0aa6593e55534f1bda3d
- 03 L 79c501016cf681c3a729815aaf1c6fa71e4b494eb83c9afe6c0f58a911c2514c
- 04 R a2853f26de486a0c8eb3d9b454f7d02220d02ce1810bbd6db525272a70c58be7
- 05 R 834daf20b813c8d0bb3aca4ce140231d21cd21bd5b80dfed9002091abc717404
- 06 L b1b78b426cc2ab393b9830d104267339ac0d1fe084cf207fb8106591ee87c768
- 07 R f44209f138712ab3c282142a422e416bc08c5fc6a871d2d201a9ba6d6fce4dde
- 08 R d0bf81f95f2c54d7c6a467c136dc62caa657afbb2154b51da6c9f5c2d2b033fc
- 09 R 2c3a72918afe8d7dedb8096a77655687515637ef93cedc4f4683cb8d75d88da1
- root f9b9f5ce3032f9cebf2133f1f7e0750d79036f12eb1c895b0ae5666bf6320f50