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 ₱3.2M contract to SPYS BUILDERSMunicipalities
Transaction hash:
e477ca9b5cd20ee8a4acdeb13c213dcb241357b796191d1291da1b54c75aed41
Status:
Included and unchanged
Block:
#4,863 1,150 blocks after it
Position in block:
Transaction 150 of 162
Award day:
Jul 21, 2022 (4 yrs 3 mo ago)
Value:
₱3,224,264.09
Project:
Concreting of Purok 3 Local Road Brgy. Maungib, Pu
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 #4,863 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 2022-07-21.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 e477ca9b5c…5aed41now …
- 2. Block Merkle root changedstored 3ccd14df71…5d6cf9now …
- 3. Block #4863 hash changedstored f0be122721…d0e4b0now …
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 161 records. Each step hashes the current value together with the sibling shown.
- leaf e477ca9b5cd20ee8a4acdeb13c213dcb241357b796191d1291da1b54c75aed41
- 01 R e4bf906e7b8e09da07ded6282bd55d70c13ca8fa00f5bd0f539854478b360404
- 02 L 94c26290e18a4f5d8118f8097bc4f0cadf28685d57bafd72ab30e5583fc0de7e
- 03 L 0b6c0749c0bf13f38fb7ad80c43b46a02e9d1afb4e061e97cef98c0c208727dd
- 04 R f0c836e836679bf09c1d82e21110dc70ddb771d0fa660e5d555496d99c4efff0
- 05 L 58eb3b6e86054d4a142034bb71faa82f50080059020e5bcdda43942c909e7b53
- 06 R e56cf8cceb056bcda1d44fa181435bc5587f31cbce31cf85af7e0eb5bd1da35a
- 07 R 2c3ef58ddb90a397249ba6355553d29b1792ef14c990d0cc649c778b51209fb0
- 08 L 90cb00c4be409a041b8252b2f59df2f2714a808d3f355c8ea2d18937e6c5c4fb
- root 3ccd14df719ab4adb8b41fd3c69128dda7b9e70f1c6d8e466d93d9a6985d6cf9