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 SALCEDO, ILOCOS SUR Award a ₱994.8K contract to MBB CONSTRUCTIONMunicipalities
Transaction hash:
9f4db086699ecbb552084fa395014f0b3716e56cdc9ecac1276f3ff78ac28375
Status:
Included and unchanged
Block:
#1,517 4,496 blocks after it
Position in block:
Transaction 40 of 63
Award day:
Jul 26, 2012 (14 yrs 3 mo ago)
Value:
₱994,812.27
Project:
CONCRETING OF POBLACION SUR-LUCBUBAN 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 #1,517 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 SALCEDO, ILOCOS SUR awarded it to MBB CONSTRUCTION on 2012-07-26.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 Salcedo 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 9f4db08669…c28375now …
- 2. Block Merkle root changedstored 5b90149816…a75f1anow …
- 3. Block #1517 hash changedstored 6b0ad7c60b…ad9a34now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 62 records. Each step hashes the current value together with the sibling shown.
- leaf 9f4db086699ecbb552084fa395014f0b3716e56cdc9ecac1276f3ff78ac28375
- 01 R a4acea6e018356cb211b7df1d11e56142edeab462d8b7f2d3e5b95ed2b8021f5
- 02 R 6f951ba1b3c7bfcab6b28a733add8d8ee9fbb1d749dc36db6104dcd50b4e9b4d
- 03 R 8f7372ad34053ddc3d9cd10223c7c1b4473ee26aa6725411fd3c3937c2c19234
- 04 L f0c0bffb4192c0463d529f0e5755a19d32bc11b32e5299730b805dee3447a5de
- 05 R 6c21a04c3b75435725cd494573f1e8a424549a27d35d69343d24ea45dcfc199f
- 06 L c736fb8c833362ab4e57fe2a74e139555e72017022198eb21713dc14bcb13349
- root 5b90149816a1f8d6071eb5c3863c134eedbb7522ed9a53e91882808d6ea75f1a