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
MUNICIPALITY OF PURA, TARLAC Award a ₱2.7M contract to SPYS BUILDERSMunicipalities
Transaction hash:
715a30bb3fc12fbaf4230cd487af1e3c4ca65342ed0a639693d863e96c5c3b62
Status:
Included and unchanged
Block:
#3,356 2,657 blocks after it
Position in block:
Transaction 97 of 223
Award day:
Mar 9, 2018 (8 yrs 8 mo ago)
Value:
₱2,658,735.17
Project:
Construction of Legislative Building
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 #3,356 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)MUNICIPALITY OF PURA, TARLAC awarded it to SPYS BUILDERS on 2018-03-09.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 Pura gave a "not stated" 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 715a30bb3f…5c3b62now …
- 2. Block Merkle root changedstored 248e61c84e…b15303now …
- 3. Block #3356 hash changedstored 20bdc04b7e…be0e9cnow …
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 222 records. Each step hashes the current value together with the sibling shown.
- leaf 715a30bb3fc12fbaf4230cd487af1e3c4ca65342ed0a639693d863e96c5c3b62
- 01 L 6fbb696cfebd52755bd65afa6faf9b6b0072f8ae171b46344549f699d41f73f7
- 02 R 23ea5f6bd1030c3857ba2fdf3cd21c5536304700b4f39684ef33aed43f54f81b
- 03 R 468f4a7f1710b5aa200289063eb4e2d1e3719ce0e0c5aba328389179338a6539
- 04 R 4c7e651d2b560ae96e6cba7886bc2d3524e619463a544094c4d8a5f2e43d98d6
- 05 R 43294169b213ed653fcd4b0c0015683b6db1781f27df37313997f246048e01a1
- 06 L 1746d52bf5a9c20e2dd2e61b8365c19b8de606779e6e4a842d780e95e5f46155
- 07 L 24cff5a24d2e9a1c5198908e51f583421f6719ec68b369a1b1d1ed90515c2d77
- 08 R d91034ebc2093eafc4b6a5f53e1a4e894f5f095e1a58a099e9b5c8ebbfea1af2
- root 248e61c84e6c418b591906687a6830c055d997fdb15038e282f0accad1b15303