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 - SDN 1ST DEO Award a ₱5.4M contract to GEVANS CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
ff656a7aa0cac64990e2772f92ccab2e280a67866fc1b8bb0f5250fd91d820db
Status:
Included and unchanged
Block:
#3,627 2,386 blocks after it
Position in block:
Transaction 669 of 673
Award day:
Dec 21, 2018 (7 yrs 10 mo ago)
Value:
₱5,373,511.99
Project:
18NF0094
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 #3,627 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 "Outside Infra - GAA 2018 DepEd BEFF", i.e. the FY2018 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 - SDN 1ST DEO awarded it to GEVANS CONSTRUCTION AND SUPPLY on 2018-12-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18NF0094: 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 2019-05-16). 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 ff656a7aa0…d820dbnow …
- 2. Block Merkle root changedstored e1d740d034…0ab343now …
- 3. Block #3627 hash changedstored 3e03157663…c525fcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 672 records. Each step hashes the current value together with the sibling shown.
- leaf ff656a7aa0cac64990e2772f92ccab2e280a67866fc1b8bb0f5250fd91d820db
- 01 L ff5ba35ac92ac34f06a4df6d4f1fb7ad24b6f28dd6e81f47f1b4355322894566
- 02 R 113ea1f4caa4497d82ddfbb7ac65b4bebf4f8dac406140482ac57b66c3bfa06b
- 03 L fc06486020a4d0314c22ed3214dc6e26d3d1af1e39f67f9765acb3438b2e8478
- 04 L ba46bfc44f4a3ac47450471e9aa8abe54b91147a2bde6a150017d7b7ea44a866
- 05 L 641be3511dbd26f8af503a230b03e521f25956c6029dfd4d7afd180ad85c493c
- 06 R 8a0bf164a052a702e58f797f115d742d3bb84a33784f9f268e7d51483bd4308a
- 07 R 933694f8060ebcffa6551b126fcf6535d341af87985ba6ca18968eb13773e028
- 08 L 39b585d4241d7799174cf48e60a68788d6b43baf0a413a162f7a40ea4e2c05f3
- 09 R 5d4f9642560808261637c6d06905e81eb41241befef438214d1f07908b855444
- 10 L e1516b9da2ed18f29eed5859df7432748dae03f35fbf0e6ac9ca6591281412ed
- root e1d740d034199d6f1eb69604ddc22e56874117ab7b3b723cf5687973400ab343