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 ₱1.9M contract to E. E. MADAYAG CONSTRUCTIONCities
Transaction hash:
b311a641e33b9d6dc52277dc863940b40a7fa8ab4550b70c6a4243854f7f7de0
Status:
Included and unchanged
Block:
#3,345 2,668 blocks after it
Position in block:
Transaction 280 of 421
Award day:
Feb 26, 2018 (8 yrs 8 mo ago)
Value:
₱1,899,146.44
Project:
Construction of Perimeter Fence
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 #3,345 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 E. E. MADAYAG CONSTRUCTION on 2018-02-26.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 b311a641e3…7f7de0now …
- 2. Block Merkle root changedstored 8ed018cb9e…89b5adnow …
- 3. Block #3345 hash changedstored 5ec6362bb0…9d0f31now …
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 420 records. Each step hashes the current value together with the sibling shown.
- leaf b311a641e33b9d6dc52277dc863940b40a7fa8ab4550b70c6a4243854f7f7de0
- 01 R b47c081c5b86ca7cd6cf6758596accb18b4c11905f6e5893543c5326b37e7320
- 02 R 7b9c68de7a5394101821c377c2e00614647e9ad95042956986f02a417d936c61
- 03 R e5b293510923b32d506aee7f0506104878a742db44c5924d130e5e1ae5014402
- 04 L 10a2bdebe904f058db5a1fcdff7bc6a340450bbb018cc3a2ef52421b5b6cfe27
- 05 L e05130819aabaace0b482017e191fac08a2d0f8505ef0a473cd725c185ce6624
- 06 R 5c0bdba23de1345ee8220580ac4c4356c8bfde4bddada073a8f270826ef1ec59
- 07 R a0f010545bff79a07d0c861b89843547909197ff25a88cd0d62ddbb5a170b430
- 08 R ca4fb47a3f6f948a489e7771e525d98a926a02ce7ed0928e66b46c99dba2c19e
- 09 L 7528173c4aca2f340a52bafdf7ed0ce70efd13ede3a296a3cf9b3fcce9f87a9a
- root 8ed018cb9e94b67a47dab8d8ed19dcdc0767ea921367ebc90a70b251ee89b5ad