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 - RIZAL 1ST ED Award a ₱9.1M contract to P.B. GREY CONSTRUCTIONNational agencies
Transaction hash:
2da02e6f0a0482dab5b6557dfa468afd0fe1570d94f0f490b1d459eb0e77efa2
Status:
Included and unchanged
Block:
#2,354 3,659 blocks after it
Position in block:
Transaction 31 of 179
Award day:
Mar 18, 2015 (11 yrs 7 mo ago)
Value:
₱9,114,176.55
Project:
Construction of Road, Macamot Binangonan, Rizal
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 #2,354 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 - RIZAL 1ST ED awarded it to P.B. GREY CONSTRUCTION on 2015-03-18.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 2da02e6f0a…77efa2now …
- 2. Block Merkle root changedstored 21dfc908a0…a9b28bnow …
- 3. Block #2354 hash changedstored 77d3894e5c…c746f5now …
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 178 records. Each step hashes the current value together with the sibling shown.
- leaf 2da02e6f0a0482dab5b6557dfa468afd0fe1570d94f0f490b1d459eb0e77efa2
- 01 L 2c39543a11d5184ae7e315fda9c9affd1adeb6297b1217f246039aa3266b294a
- 02 L ae29a432067a3b9d75f57942d89367d2283c041e7bcd3731925219ae6f34756a
- 03 L 4fb7058441ab8c4dcfa82523546ab081e66b3b6ac42b275c0e968627f186b7d5
- 04 L c26c1027944c6ff46db7b0fa06729dff05d54ae54f3ad4b23a6357106ca5e611
- 05 L aa75b7db42ec0019c8e7ba80a41c337639771b3320dc8fbb392e8ff74e154dd5
- 06 R aabbe9fb6e93dbfd11fe662986034d0988193fab1cec72ffb646f4a672949502
- 07 R d809c9cf08740cdccc6e4ba23e0e95ddffd4624300943fb8d4fa9e845086f51c
- 08 R 662b713c8e6eeca4a92a963215186fa30b1e2f0b6da4717843948191847c9bdc
- root 21dfc908a0b395b57e5eab7e715fab85be1f4498730600229709d0dafaa9b28b