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 TUNGA, LEYTE Award a ₱2.5M contract to ROVINVAL ENGINEERING AND CONSTRUCTIONMunicipalities
Transaction hash:
888696e8fa9fe84bf2b1f3dbc72acf474e5433492f6efe1a29646f8e4f1fbcce
Status:
Included and unchanged
Block:
#3,206 2,807 blocks after it
Position in block:
Transaction 133 of 245
Award day:
Oct 2, 2017 (9 yrs 1 mo ago)
Value:
₱2,490,092.48
Project:
Construction Project
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 #3,206 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 TUNGA, LEYTE awarded it to ROVINVAL ENGINEERING AND CONSTRUCTION on 2017-10-02.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 Tunga 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 888696e8fa…1fbccenow …
- 2. Block Merkle root changedstored 86617138b3…73fbc9now …
- 3. Block #3206 hash changedstored 57b71e707e…8e5830now …
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 244 records. Each step hashes the current value together with the sibling shown.
- leaf 888696e8fa9fe84bf2b1f3dbc72acf474e5433492f6efe1a29646f8e4f1fbcce
- 01 L 886a0cebc0bfb437db1f70c12f4b8ebe7cd4b579b96ba998631f01dab973b4c4
- 02 R 6fe5804961af5ce69e3b6c5f7e6334ee5ef4da6b6806abe9f8336c0f6fa7bb6a
- 03 L d70aa0d0e1151239c79388b19cdd2d393e4c1a4df02924a77e70d1aa93af85c8
- 04 R 34d7d077d38d88f9a677aac7372f4e18c5595d4c20b96b2d45f6b63483a6ed5e
- 05 R 19c8c9cdaf281909c32b579bbdc7f8e236ec0db49a595406ab5cae220bdd6f52
- 06 R 1ddebf73958a9fea56afd7ef779926aa5c5f8c169d99aac87ea207904670023a
- 07 R 53b1dbd26fd156665c9d1b17692a38f8a4f233b523a5b1d505a1f32e727dc355
- 08 L c14eaca7d10b164540166f1dca8b5ff15b614e6ca8a15c8b89d478845406514a
- root 86617138b39a6eb9559bb7d65da03d74f15d6609d505c9acb2c11fedc873fbc9