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 TARLAC Award a ₱715.2K contract to CVAP CONSTRUCTIONProvinces
Transaction hash:
88dcf00c51172eea522d521545a6ff67236f5a4b691b015c22c3325147cebad0
Status:
Included and unchanged
Block:
#2,972 3,041 blocks after it
Position in block:
Transaction 96 of 177
Award day:
Jan 26, 2017 (9 yrs 9 mo ago)
From:
Value:
₱715,180.03
Project:
Labor and materials
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 #2,972 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 TARLAC awarded it to CVAP CONSTRUCTION on 2017-01-26.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 Tarlac 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 88dcf00c51…cebad0now …
- 2. Block Merkle root changedstored e0b0aefd0e…c64c12now …
- 3. Block #2972 hash changedstored 0ac0300a2b…12cad1now …
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 176 records. Each step hashes the current value together with the sibling shown.
- leaf 88dcf00c51172eea522d521545a6ff67236f5a4b691b015c22c3325147cebad0
- 01 R 89d21a0200209bb1dd990e49cc761dcd0e3225b7b4c1a0d2eaed707e6b1665b1
- 02 R 1d5903e8d484d97bc42bd82075610a9ba23b0fac0df066905486e397b5d79b79
- 03 R 19552636bca4d168ec6a2dc947c86bff0ffb4438e2979f437176f906f4d8929c
- 04 R 9dd81772f9539abd593d41d694927ec1bce08a8056a018f3516c1344d6c1ad89
- 05 R 5e694c4d21d501c4f0e64014963599bdcb5d846c3e99dedf28828ea4b0fc01e3
- 06 L 1e3b8e5a4cd4f882f4742df96a01e3bcc2624874a1873cbe0d79110c0e5c7bb0
- 07 L e5c1325eba33900a9f9291a7d3cfb11c115550f03eee6e1bc05d4c4e33e40a05
- 08 R e35f817c992338a9971a208c3e8869c6825aa7222b7ea687fc7c1eedf65776e1
- root e0b0aefd0e407b19b2b2311fd150e4f36e302cf5d26f931643a7eaed5bc64c12