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 CALAMBA, LAGUNA Award a ₱198.9K contract to JAMES CONSTRUCTIONCities
Transaction hash:
55fb258f1f5aa0232fd8a85c265313adac6f0f30a0bd4d82404444eb703d4d0d
Status:
Included and unchanged
Block:
#5,557 456 blocks after it
Position in block:
Transaction 57 of 200
Award day:
Jul 9, 2024 (2 yrs 4 mo ago)
Value:
₱198,855.58
Project:
Ramps for PWD at Evacuation Center
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 #5,557 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 CALAMBA, LAGUNA awarded it to JAMES CONSTRUCTION on 2024-07-09.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 Calamba 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 55fb258f1f…3d4d0dnow …
- 2. Block Merkle root changedstored 4e13875295…710165now …
- 3. Block #5557 hash changedstored 96df85421e…b04888now …
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 199 records. Each step hashes the current value together with the sibling shown.
- leaf 55fb258f1f5aa0232fd8a85c265313adac6f0f30a0bd4d82404444eb703d4d0d
- 01 L 53c18dd78b063b0f6ddfc750bcbee8015011eeb4353c7b4a5bd2ade05623b1ef
- 02 R 4f51c607f391a9a601ca30aa3552c192fa062bd0a576e7ba8091c2586fb70c88
- 03 R 8bd38de80e44e1e2ffc6a085985bd0e7fd360d49a8fa11753fc71995f9fcf4ed
- 04 L ae9ddace1d5ba0d4b72eb379def531c1fa0cb2521a60c8b02b94b183881f2d1e
- 05 L b5be85d6879326f31685a69953eb1c9ca036589122ac6124495c8a6353ab8fb9
- 06 L eddb121f6f3e388a52d2c89a5e101367b0a687f92f5c67939be29db539063db0
- 07 R deb41207f33ab27609da7ba9c2a26a33efea8bc9521011704dc7f5804f8715d2
- 08 R 0245e5f8ab39bd994059e3ea4a03d0627f4e1361019142b1ac1652db1c875a2d
- root 4e1387529554c1a44bb21c1e4e7fbd7d407a0ddfb74d86666baa868459710165