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 ₱3.0M contract to AMVIL CONSTRUCTION & SUPPLIESProvinces
Transaction hash:
bb346c5e9d5d2dca10d5a480aa7dfc8b4ca852b29cb775511753767d255de3c2
Status:
Included and unchanged
Block:
#4,854 1,159 blocks after it
Position in block:
Transaction 132 of 167
Award day:
Jul 12, 2022 (4 yrs 4 mo ago)
From:
Value:
₱3,000,200.00
Project:
Construction of Multi-Purpose Buildi
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 #4,854 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 AMVIL CONSTRUCTION & SUPPLIES on 2022-07-12.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 bb346c5e9d…5de3c2now …
- 2. Block Merkle root changedstored 364f86c130…5561f8now …
- 3. Block #4854 hash changedstored 5caef97cbc…66dc14now …
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 166 records. Each step hashes the current value together with the sibling shown.
- leaf bb346c5e9d5d2dca10d5a480aa7dfc8b4ca852b29cb775511753767d255de3c2
- 01 R bc0880afa645bdd4aa9573ea777e771f02607a0df243b3c3630e1483f0a6948d
- 02 R 586ee4c7ab366edf58bf7ae9e03d375ebfdec62128e7b78ede7aff04fc3d07cd
- 03 L aed9113997b9247d372282021138adc79d5aa93fac4719b0cc8f62b3b766977e
- 04 R baef451118dfebe3417b7a23c634335d2844697d9fc4a2d5882fe194e8d17296
- 05 R 08f577ea4bd5c2ecc8acb48b07844c7c27c3c07b07f1f330d3654ce38daf63c8
- 06 R 67f4d0fb77989fc6eb04461cd967e47f321b517f614bf7dcbf06b604aa8fff0d
- 07 R b5a6ca27dbdfabbd8d5f8d5b7773fba68a2fa77680b0b7f231613cf8c98a7324
- 08 L 955cea70aba9fd35e8b73804e3435aec7ea3fd5173b8cd076df7cbc15d181d61
- root 364f86c1307ca64e1d800e973b734f7bfa97c354ff6b9b93f3dff6bc3d5561f8