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 PARAÑAQUE Award a ₱1.1M contract to SPRING STAR CONSTRUCTION AND SUPPLYCities
Transaction hash:
d8a24ced5c118dffa2b9bca30e55394e359cf07f955b6c939eeed28dd1cd839d
Status:
Included and unchanged
Block:
#2,454 3,559 blocks after it
Position in block:
Transaction 167 of 201
Award day:
Jul 7, 2015 (11 yrs 4 mo ago)
From:
Value:
₱1,063,750.93
Project:
Basketball Roofing at Guijo St., Brgy. San Antonio
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 #2,454 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 PARAÑAQUE awarded it to SPRING STAR CONSTRUCTION AND SUPPLY on 2015-07-07.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 Parañaque 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 d8a24ced5c…cd839dnow …
- 2. Block Merkle root changedstored af66c38fa8…440c2dnow …
- 3. Block #2454 hash changedstored c33a4d5b01…04b1acnow …
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 200 records. Each step hashes the current value together with the sibling shown.
- leaf d8a24ced5c118dffa2b9bca30e55394e359cf07f955b6c939eeed28dd1cd839d
- 01 L d3a3f09c5ca060f393c30631fdc0601f474a8f1feb43a9b6c4cd10595d2ade14
- 02 L 78a5a868c7c83d80b4f79b5072a8c3f128f09ddda900765f849939e164d0b897
- 03 L f07d980d01b0a97c05691dac1644b951c4ae08b137a2ba765daa8756f195adc2
- 04 R c9c11381e5f5cec6038ad756e65dc26026233cb0bee5ee47f8d0e50224d2608d
- 05 R a8f199248f03c796cbf5207b108d4883e1cbf6d2bb095d73a05dd1522a5b7f5d
- 06 L b8157dbb070d6e883b5ecd15927c480c8d0a94733e577c26a4a518085fd66db9
- 07 R 6f7dce916d86557c99554a55168ff65b400804d1369fb4840a8bb5695b374fb7
- 08 L 777d4b87612434e35f9fe339c3e7cd072050c36e49d94535c8b71ef38fb949e7
- root af66c38fa85acb4dc3712f369bdc42017c135fed23de3e2f09cd9a9cd6440c2d