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 GENERAL NAKAR, QUEZON Award a ₱195.7K contract to F.M. PUJEDA BUILDERS AND CONSTRUCTION SUPPLIESMunicipalities
Transaction hash:
cd7cf5d0d2098c4e2474df02a8e519fe6b55c3025e4ce17049c0d4ce4c5f42b0
Status:
Included and unchanged
Block:
#1,834 4,179 blocks after it
Position in block:
Transaction 82 of 101
Award day:
Aug 16, 2013 (13 yrs 2 mo ago)
Value:
₱195,672.84
Project:
Construction/Rehabilitation of Farm to Market Road
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 #1,834 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 GENERAL NAKAR, QUEZON awarded it to F.M. PUJEDA BUILDERS AND CONSTRUCTION SUPPLIES on 2013-08-16.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 General Nakar 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 cd7cf5d0d2…5f42b0now …
- 2. Block Merkle root changedstored efe039c8b7…956384now …
- 3. Block #1834 hash changedstored 0e9a54a48d…2929f9now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 100 records. Each step hashes the current value together with the sibling shown.
- leaf cd7cf5d0d2098c4e2474df02a8e519fe6b55c3025e4ce17049c0d4ce4c5f42b0
- 01 R cded266a089b84fdd9fee5c480ccf186f810ff409b37c095f0d98e558bf413de
- 02 L 055578216a1b3ce2da393191cabb5a604e4ca34f16fb0ac345e5d19b6991e8c4
- 03 R 62520bb3d9cb8f4dcba282f42284049afcfbab9ed0a0b254edb63f8521dc88b9
- 04 R 6cab26c7ee1eee02e7b0ab0a96d4acc372d9433e44e88f119af57ac664f8eeb8
- 05 L 12545c3615105cf5123329288ca1577b8783c65b64312221085619079470c753
- 06 R b0c7a5c11a8266d6320248b5a6671c9cbfe8eab27268d393916abd5adc730ba4
- 07 L 4c4f5132aa8ea7e19befa07b89558b1963453d65391d1e61ae96483bb15fc231
- root efe039c8b7478bc1bd148c36ced2507a8a8508100816769af678c0fad4956384