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 - CATANDUANES ED Award a ₱2.8M contract to NVR CONSTRUCTIONNational agencies
Transaction hash:
c4f58d0d03e7d70109eebe167eab016a0c2ba5a7e10c6082e0b2159ce6c152e7
Status:
Included and unchanged
Block:
#3,257 2,756 blocks after it
Position in block:
Transaction 343 of 449
Award day:
Nov 27, 2017 (8 yrs 11 mo ago)
Value:
₱2,844,367.82
Project:
CONSTRUCTION OF ONE (1) STOREY TWO (2) CLASSROOM S
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 #3,257 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 2017 DepEd BEFF", 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 - CATANDUANES ED awarded it to NVR CONSTRUCTION on 2017-11-27.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17FH0172: 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 2018-10-31). 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 c4f58d0d03…c152e7now …
- 2. Block Merkle root changedstored 63db5df313…e04636now …
- 3. Block #3257 hash changedstored f5a3f36d76…61156dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 448 records. Each step hashes the current value together with the sibling shown.
- leaf c4f58d0d03e7d70109eebe167eab016a0c2ba5a7e10c6082e0b2159ce6c152e7
- 01 L c4bb2591050e0d07739b6f4615d3287ba6073ccb11fd986444653f6fe744ebf7
- 02 L b517390abcaec9c577ff02b522451b8fb5bcd31919b59c1aad4d9367d6563bde
- 03 L bc464b1f95d2f671640321417d61ec7325431e62bc5c42952f9a1faf2cc9bd02
- 04 R 6ccd0c1542a9e034984d19fb24ebdcc88a97349ca82278f6229b2f67c716c02d
- 05 L 32c1ab00e50dd08f8abcd83f09257177046a93defc8f382fd58b1a6b862ce912
- 06 R fc78ab87044baf0ceccd0590017f486f6effdb8388fead05590a27fc0ddc6275
- 07 L 07e7774242ac9882d0b986db771fe7371a08079fb868df40b9381e52c2b22ee2
- 08 R 5f6194acfb3c7bafbe193d807f79ef7cf46524704b81791b8ce4bb16a4e8385e
- 09 L a7ba5bd32f3b73be2be95512b95556b78957f78fee052031268a1801757002b7
- root 63db5df313eb89127fa51dfc694b3c0fcb709736f11ceaf0dde5a3fbcee04636