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
PROVINCE OF PAMPANGA Award a ₱2.2M contract to J.S. LIM CONSTRUCTION & TRADINGProvinces
Transaction hash:
77c705daabbb79fa2e6db12ba3b23f3f0595f4773403d9476ca303029b2650bd
Status:
Included and unchanged
Block:
#1,496 4,517 blocks after it
Position in block:
Transaction 20 of 43
Award day:
Jul 2, 2012 (14 yrs 4 mo ago)
From:
Value:
₱2,195,590.84
Project:
PR 12-2709 - To supply labor, materials and necessary equipment for the improvement of four (4) Classroom School Building with comfort room at San Pedro Elementary School, San Pedro, Sasmuan, Pampang
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 #1,496 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)PROVINCE OF PAMPANGA awarded it to J.S. LIM CONSTRUCTION & TRADING on 2012-07-02.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 Pampanga 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 77c705daab…2650bdnow …
- 2. Block Merkle root changedstored cefbbdc547…f657d4now …
- 3. Block #1496 hash changedstored 4c6daf6574…7932bfnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 42 records. Each step hashes the current value together with the sibling shown.
- leaf 77c705daabbb79fa2e6db12ba3b23f3f0595f4773403d9476ca303029b2650bd
- 01 R 77f0ff5823e6e4deb7d9b833bf0848be1c1366a60787eea32e98a2e30e6e0ede
- 02 R 09c3d10a616642456f2c0d60fc3c8d2718f34d59f05163ae3b35894d47847fca
- 03 L 27bd2c0bd383ad73fc6fc67079f5ea14af2c309261a5272625543fdbbc7d60fc
- 04 R e3216b6312d40c3f255115d121a50d1ad9cee690a2214e05bc0934b0b749be03
- 05 L 27c0f55fefa9e02362e232d7b8cb5cc6f16502608961c6ed5119294e81993e12
- 06 R 9e97127f5d59cc73e24d31c4e823bdd01e172728a421acb443222d4cdeadd40a
- root cefbbdc54779b677c6a500e042446af597ffa5d2ec2f7e2957bdc86be8f657d4