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 GUMACA, QUEZON Award a ₱173.7K contract to ADAD ENGINEERING SERVICES AND SUPPLYMunicipalities
Transaction hash:
2f8ee27f12a3ac5cf1f06dbbc9927cb0c6d5d7e630b42a4bc6338d1d56e28022
Status:
Included and unchanged
Block:
#1,616 4,397 blocks after it
Position in block:
Transaction 7 of 32
Award day:
Nov 21, 2012 (13 yrs 11 mo ago)
Value:
₱173,654.20
Project:
Construction/Continuation of Evacuation Center
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 #1,616 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 GUMACA, QUEZON awarded it to ADAD ENGINEERING SERVICES AND SUPPLY on 2012-11-21.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 Gumaca gave a "unmodified" 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 2f8ee27f12…e28022now …
- 2. Block Merkle root changedstored 10811ed88d…df38acnow …
- 3. Block #1616 hash changedstored fe9fa76330…5d1c0bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 31 records. Each step hashes the current value together with the sibling shown.
- leaf 2f8ee27f12a3ac5cf1f06dbbc9927cb0c6d5d7e630b42a4bc6338d1d56e28022
- 01 L 2c1d1ce0720b3e5dc4037ef056df5fab6d4c21dff31806d40414ca489d6c5817
- 02 L 3baa78d7d0ffbe02d11c966cb7e8dc84dba8440a2f6cabfa4817942ed16121ac
- 03 L 3c0a208351a3f862363f95a4ab374d0fbb5eae8c8432160a1554eea679f3e6df
- 04 R f8eac0bb79cde4ff03b0c3227224b3870c3c57bfa96533cc59d3d9a253aa59c5
- 05 R 164fd79c244c746fad9f545a714f8d97e35a670cddf2474c07dfaf15b5800175
- root 10811ed88df6bc43a5cda54f357704b59426a02ebde75d12426534a262df38ac