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 ZUMARRAGA, SAMAR Award a ₱3.3M contract to ROVINVAL ENGINEERING AND CONSTRUCTIONMunicipalities
Transaction hash:
1b8183ade7d3dbcdff1b0ed0d29f335c757517586502fc329e9afa410b12c3fe
Status:
Included and unchanged
Block:
#5,420 593 blocks after it
Position in block:
Transaction 50 of 442
Award day:
Feb 19, 2024 (2 yrs 8 mo ago)
Value:
₱3,337,775.00
Project:
CIVIL WORKS
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 #5,420 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 ZUMARRAGA, SAMAR awarded it to ROVINVAL ENGINEERING AND CONSTRUCTION on 2024-02-19.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 Zumarraga 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 1b8183ade7…12c3fenow …
- 2. Block Merkle root changedstored d16bd6bdcc…0731b7now …
- 3. Block #5420 hash changedstored 8d9a0a09ce…9fa714now …
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 441 records. Each step hashes the current value together with the sibling shown.
- leaf 1b8183ade7d3dbcdff1b0ed0d29f335c757517586502fc329e9afa410b12c3fe
- 01 R 1bb4b1fb0285cf0560720ec573c1e6cc1ba41ba53c70e7327b06979f368f6fda
- 02 L 57e7369c992b9c852276f3f5e451b976612e6fa5be2370fdfefc47ac1b31632f
- 03 R d73cc32adc11baa79bdc8bde38fd9714ef1655f76c1a82e7cca5ec3bdb9c4535
- 04 R 11e4ec9520db371c51213e852c8c19c8d0c564ea5ada12c3605f63632b4f526f
- 05 L bfdadba7a81ba5826778f1c17a84d7bb2233ba33e8a64ccfa72b718d3e2ad444
- 06 L 9e5e33323353a0b20bf5b4dc5e971b6e74681572a5c81cdc72984ebdfca319ac
- 07 R 0774c4c226426de7059cb4c2dcbc35c09e3e42666e56ddcff124ff7817f75ab5
- 08 R 3f5d5492bcd56f8e75c1730a5c347f04f3e3637e685099465573bd3b040e73dc
- 09 R 81faa1c631197143ca7e810fd25b8a73eec45471d2e9dd7475ace9c2d97b1cd5
- root d16bd6bdcc666eda840e30f52be65727f5d07bd5d8dab49e3ae39135800731b7