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
PROVINCE OF SAMAR Award a ₱2.4M contract to NV & C CONSTRUCTION AND GENERAL SUPPLYProvinces
Transaction hash:
fd1073dc1bbe330d7ebed1011687925c32cbe2fbc630bf6f3b86b72b07f09c18
Status:
Included and unchanged
Block:
#4,488 1,525 blocks after it
Position in block:
Transaction 229 of 233
Award day:
Jun 23, 2021 (5 yrs 4 mo ago)
From:
Value:
₱2,448,003.25
Project:
construction project
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 #4,488 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)PROVINCE OF SAMAR awarded it to NV & C CONSTRUCTION AND GENERAL SUPPLY on 2021-06-23.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 Samar 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 fd1073dc1b…f09c18now …
- 2. Block Merkle root changedstored bff9bc89f8…b36f45now …
- 3. Block #4488 hash changedstored a0bfaf8ef8…fca494now …
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 232 records. Each step hashes the current value together with the sibling shown.
- leaf fd1073dc1bbe330d7ebed1011687925c32cbe2fbc630bf6f3b86b72b07f09c18
- 01 L fbe92bb449e8315f953c3717f530d917c57a410a4e321b6296a66bf7fbfb0805
- 02 R dba076421de591fb654fb8c805b8e60ff6acd3b1b760d41c38a11778fdc595c6
- 03 L 776f786cf7282d7b93ba76617845fd63153d971d086e04b8d4803cefe7aa69b4
- 04 R 8dea9e39d2962cab2ae7856f2f5a0a95c3e740f69a49c06eab25cf527c729327
- 05 R 8ff4df0caedabfd258a75addef219d8fbd7d23184652f16c4a1235d059ea0792
- 06 L 7c8146456cca5cb62b47d0bada21d765054bd9ed36d8fefb7609403186fa14a1
- 07 L f2cfcf1d2930b357ac2a42b06293d7a40d41c4abb1f8a4c83a82fc32ff54504e
- 08 L e9adea075afa04ccaa53444aec08aef1b6bacb5e6772a75d775d5c88aae338e8
- root bff9bc89f8d475a183aa315476a95f282f33da20843523fa6f31dfd69eb36f45