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 - NORTHERN SAMAR 1ST Award a ₱4.0M contract to PJ TAN CONSTRUCTIONNational agencies
Transaction hash:
05aa3ea0d22d3b9360b3d4e7ed3344ca8e0e4cff1ef59964749e6c29b32b612c
Status:
Included and unchanged
Block:
#3,031 2,982 blocks after it
Position in block:
Transaction 4 of 241
Award day:
Mar 29, 2017 (9 yrs 7 mo ago)
Value:
₱4,045,134.57
Project:
17IH0015
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 #3,031 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)DPWH lists the funding source as "Regular Infra - GAA 2017 MFO-1", i.e. the FY2017 GAA. The exact UACS line is not given.Partly
- 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 - NORTHERN SAMAR 1ST awarded it to PJ TAN CONSTRUCTION on 2017-03-29.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17IH0015: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2017-07-14). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 05aa3ea0d2…2b612cnow …
- 2. Block Merkle root changedstored 22c92cfbdd…f380b8now …
- 3. Block #3031 hash changedstored daaa37bc2c…b458benow …
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 240 records. Each step hashes the current value together with the sibling shown.
- leaf 05aa3ea0d22d3b9360b3d4e7ed3344ca8e0e4cff1ef59964749e6c29b32b612c
- 01 R 069da897fd87a2912f749143758162675f98c69164dcf522cd4b4e3c6f4f6b6a
- 02 R eb2281ed44a70dd399ee5e61d2f9954c96e44c9085cb66d1fa3040f1db5a8bcf
- 03 L 5870914507e599811789d2ca23426f613e44e7c03b33369910a2810da2ecb3be
- 04 R 21bd1c7d23c9e06e3b1f0efc7f0f7511316c1463a9322e0c0cbfc89be766394a
- 05 R bc3f1ba7fb62b1d19bb9e13e194faf016b9e96fb5c70d0466e0924cd556a0378
- 06 R b924429ed3779484f1718de24cb9a4369feebed7a6f85bce456ff918b10b061f
- 07 R 49bc8279b7f91afb1ba1af3f953863b52ba07434df44ce0961e07bb41794f90c
- 08 R de2da5567cb443055e2a599c3fd625bcb40ad13992ae3661acb89bbdb53f61ac
- root 22c92cfbdde0238c832f5cb04acd71978e0a11711e7bc07a37254e42a2f380b8