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 - COMPOSTELA VALLEY Award a ₱2.2M contract to R. SEMILLA CONSTRUCTION AND MARKETINGNational agencies
Transaction hash:
cd7bbcc037814977941abf79217e2678f21f1c622dc697d64491bd38941aa4a5
Status:
Included and unchanged
Block:
#3,366 2,647 blocks after it
Position in block:
Transaction 327 of 406
Award day:
Mar 19, 2018 (8 yrs 7 mo ago)
Value:
₱2,155,528.30
Project:
18LA0056
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 #3,366 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 2018 LP", 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 - COMPOSTELA VALLEY awarded it to R. SEMILLA CONSTRUCTION AND MARKETING on 2018-03-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18LA0056: 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 2018-08-17). 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 cd7bbcc037…1aa4a5now …
- 2. Block Merkle root changedstored 2e3b250d77…6643c8now …
- 3. Block #3366 hash changedstored 0bfae71df7…ca8a6dnow …
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 405 records. Each step hashes the current value together with the sibling shown.
- leaf cd7bbcc037814977941abf79217e2678f21f1c622dc697d64491bd38941aa4a5
- 01 L cd68b6eb4d2e1618033de3efc2c2dbac9372ad443891b9427b48b5ee568fbff1
- 02 L fa9d878d513bb08c83219f5947b01833a071ad64bb9ede209552fdf095ea9144
- 03 L 27f89906b0c342f2ee9ef08ef1d835cd9b485bfcf0f46dc8cd7ff481090f0915
- 04 R 97650ca9495246a453409bef33e543831973bd756b0b9fddb61bd4ea7b630000
- 05 R c0e475073ebe5d6e547c863e1dbe24a8658e84d4384387532049d18a21080bb5
- 06 R da70ae920b63a01218182069e3f07595662c23075cda11374c3076bbddae4ba3
- 07 L 2cdf57886ffebe4d075be03c5853e156dd7e0e73f3b6b50c3936882fb626e068
- 08 R 539756fc50069937b76104c6a0b9eed01ab79d040f03aa7801f0dc098c5cffdf
- 09 L fa835a7619fdb70962c7b6238acd2dd4f9d50d1ed363723e3c3a0663da8fa96a
- root 2e3b250d77648d1e8922910d3fc5b1b77c5336e810cb5012b4fd1bc92d6643c8