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 ₱788.7K contract to B.K. SY TU CONSTRUCTIONMunicipalities
Transaction hash:
2ef0ad00295232c81ef5b68a51ebe5ee9d4c092c0f18f5bc10212b2cd93037d3
Status:
Included and unchanged
Block:
#4,030 1,983 blocks after it
Position in block:
Transaction 54 of 291
Award day:
Feb 20, 2020 (6 yrs 8 mo ago)
Value:
₱788,714.14
Project:
Construction of Wet Market Extension, Pura Public
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 #4,030 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 B.K. SY TU CONSTRUCTION on 2020-02-20.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 2ef0ad0029…3037d3now …
- 2. Block Merkle root changedstored 70a187a0ed…a1950fnow …
- 3. Block #4030 hash changedstored a3c1b0b04b…3fdbe2now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 290 records. Each step hashes the current value together with the sibling shown.
- leaf 2ef0ad00295232c81ef5b68a51ebe5ee9d4c092c0f18f5bc10212b2cd93037d3
- 01 R 2ef2e6f2f129ca6fb31ffb3172c68906c528546be80b75b5cbf2bef571afaf54
- 02 L f3351661b7c114ab1c66db0418cff07fff1aeca34fabc6d62099aee4c71f1dd9
- 03 L c8c7c772481edf1b7dfc7b215419f7d0621c317c020e91245c034c92101e18a1
- 04 R 658d7963dbc93acc37ea637e1f1babde606ec54364d8b4c38c06508e1c2c4d38
- 05 L e4f45cad10e9d024a88f3888def7ae0cf50c9196789f6a6e6358710f334d22cb
- 06 L a468f212e91ed58a0bae0760c6d52d995a424fea7129f883c38b93136544f8ac
- 07 R bc4600e0364074ce5ac76a3a94a519b62dfbd19168d4ecfad451c8aa111a3148
- 08 R 805d06d42acba51b24cbbc8a02422607ef412e008302553731095dc43080a275
- 09 R 2e11c9ae2f6a1059b84a79f1c0a318f42183c9bf20a4d56537994e2ab6985cb1
- root 70a187a0ed892f2322ca74916d0e0507112b6c04f09033dbf21c458523a1950f