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 ₱388.1K contract to LAV CONSTRUCTION & SUPPLYCities
Transaction hash:
d6f58c43f0cd93e751dd3db3e2f5a107e5127e3d300f365d2f66fc0f90035c8d
Status:
Included and unchanged
Block:
#4,898 1,115 blocks after it
Position in block:
Transaction 181 of 217
Award day:
Aug 25, 2022 (4 yrs 2 mo ago)
Value:
₱388,090.65
Project:
CONSTRUCTION OF CONCRETE PAVEMENT
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 #4,898 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 LAV CONSTRUCTION & SUPPLY on 2022-08-25.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 d6f58c43f0…035c8dnow …
- 2. Block Merkle root changedstored 4d2fce73c5…b486ebnow …
- 3. Block #4898 hash changedstored 2aa6f85de2…9780b6now …
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 216 records. Each step hashes the current value together with the sibling shown.
- leaf d6f58c43f0cd93e751dd3db3e2f5a107e5127e3d300f365d2f66fc0f90035c8d
- 01 L d442b32c8ce925cffb2da03e5fd756646e7bf8175cea8f220b7b6ce5bece2812
- 02 R ede6aa74927b99eee75d1c2767f86a530e7907a908e0265553c25b4387ce1750
- 03 L 6a029e19e39c051f62720be5604b3b2de88d87f06c63acab1937747952021ad5
- 04 R 3160f13c8f581274f38104985a7b514b2bd1fc91fbdd23843ab360af21fbd6c7
- 05 L 4cb9e3b18a052d1cda756014c19e50214212f0128f7d76a6507f0fdfaa7d3349
- 06 L e227b8d8ff5d4dc9128cfd15694784b8f95d07bae24ddaacd25be7b30f08477e
- 07 R 47c8620ceebfe5270bedf8845559c411194dd82fe70f454329f75537cf250412
- 08 L 86299488551c2f80d80326164edb0050a10c37f041467fd33fcb8182dc453b77
- root 4d2fce73c5839fa3f611ad7a371c7661c126f3948a98c818d2c9372548b486eb