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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E Award a ₱2.4M contract to B. VALENCERINA TRADING AND CONSTRUCTIONNational agencies
Transaction hash:
d3f68d486cce01a90fd915be64d86f480d211b1cb9ee29d3ba48ab61a178a4c9
Status:
Included and unchanged
Block:
#1,556 4,457 blocks after it
Position in block:
Transaction 75 of 93
Award day:
Sep 10, 2012 (14 yrs 2 mo ago)
Value:
₱2,426,652.86
Project:
Construction of Multi-Purpose Building, Brgy. Bagumbayan, Taguig City
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 #1,556 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - METRO MANILA 1ST E awarded it to B. VALENCERINA TRADING AND CONSTRUCTION on 2012-09-10.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 d3f68d486c…78a4c9now …
- 2. Block Merkle root changedstored ae7db62df5…37b690now …
- 3. Block #1556 hash changedstored 07fb485e20…d7d602now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 92 records. Each step hashes the current value together with the sibling shown.
- leaf d3f68d486cce01a90fd915be64d86f480d211b1cb9ee29d3ba48ab61a178a4c9
- 01 L d16d20696711c031b6e24eb0eaeeda811f11755100ad8cbc6c52575395de35cb
- 02 L d5090dea2f183b2e3051db3635e037f90ba9c1044cc8430f139f7ed8a5f9e3d4
- 03 R f972fa1f3644769fc6a9892015faba3a19c79ab3464903339bc87dc79fed59c3
- 04 L 822cfd764de01d4346167d0245952ff3feaba9dc999b544edef9df0faa068f84
- 05 R ea2485ee0c4afd433006fd4298e35f3872a4482d352bb38b7570632718d94022
- 06 R b19b0c9523af2472c36716d5c814b606cbb33938ab803d05a89594595bf4a2b6
- 07 L 4be6fd903c4fe5e81e610b195bfcea317859cb2309d0f815dbc283dd229a7460
- root ae7db62df54a9cd0249f83b70fefa9c46803ba5b54842a118abb86196937b690