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
CITY OF SAN FERNANDO, LA UNION Award a ₱1.0M contract to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIESCities
Transaction hash:
4aafa4247046dfbd1dedadaa1c28841c6d4a8f15571f4db6d711faf4d878b219
Status:
Included and unchanged
Block:
#4,906 1,107 blocks after it
Position in block:
Transaction 34 of 147
Award day:
Sep 2, 2022 (4 yrs 2 mo ago)
Value:
₱1,009,261.00
Project:
CONSTRUCTION OF FLUME TYPE DRAINAGE CANAL
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 #4,906 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)CITY OF SAN FERNANDO, LA UNION awarded it to J.A. OLIVAR ENG'G DESIGN, CONSTRUCTION AND SUPPLIES on 2022-09-02.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 City of San Fernando 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 4aafa42470…78b219now …
- 2. Block Merkle root changedstored 9c43905304…29ba90now …
- 3. Block #4906 hash changedstored 662572cb57…52c6ebnow …
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 146 records. Each step hashes the current value together with the sibling shown.
- leaf 4aafa4247046dfbd1dedadaa1c28841c6d4a8f15571f4db6d711faf4d878b219
- 01 R 4b9806ad9e2326f0a2647c90a8bfcb1dbbcc75f349f50857f0169ce869e28b44
- 02 L b17c302da06cd92fcc8a1198ca05f588df081a9b73f97f885aa2a4256c2865b6
- 03 R dec9589ba3165fdf6d47b89dc8d29fe0d0bcb41ecd593c0b399241596cd8cf2f
- 04 R 7ae1f1d34c8d603e6e38442ba78291699390cf232afa683ca4f3d7bab429b2c2
- 05 R 55d3e887efaf8276b694a15b535f11c47f0181153af787ffceef7a148589bcca
- 06 L c45fa1f96fb80ee88c428dd5c6464e2afe89017966d50c6f795623010b59f6ae
- 07 R 363fa258b716dd270822015a0d733059ea97f05bacb4208b416a9fb42e8e256d
- 08 R 1b2f4a53caae83d6aa493fb01d3121153781adf3a83ad1aee39d76032086e304
- root 9c43905304e813b27ca174eda2949cd6c1c7c181b3010f1c645854fa4429ba90