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 - DAVAO DEL SUR DIST Award a ₱7.1M contract to NLC CONSTRUCTION AND SUPPLIESNational agencies
Transaction hash:
9dbfcd2f3be7ded8e541c7eb535a3f21fdf169651b67d7e43de8845ca6018e47
Status:
Included and unchanged
Block:
#4,366 1,647 blocks after it
Position in block:
Transaction 176 of 286
Award day:
Feb 17, 2021 (5 yrs 8 mo ago)
Value:
₱7,128,720.45
Project:
21LD0005-NOA, NTP & Contract
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 #4,366 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 2021 CSSP", i.e. the FY2021 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 - DAVAO DEL SUR DIST awarded it to NLC CONSTRUCTION AND SUPPLIES on 2021-02-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LD0005: 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 2021-04-11). 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 9dbfcd2f3b…018e47now …
- 2. Block Merkle root changedstored 386854fbe5…d9e746now …
- 3. Block #4366 hash changedstored fdc5a306cb…3f69acnow …
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 285 records. Each step hashes the current value together with the sibling shown.
- leaf 9dbfcd2f3be7ded8e541c7eb535a3f21fdf169651b67d7e43de8845ca6018e47
- 01 R 9f3136ed843e53c7915d70fcd314bfa8dce1ee49c123966960043689cac9f5e5
- 02 R 8ce3dc39daa7baee351abdd663c78455e35c5485188c0513f3f5be32321499dc
- 03 R ab8c29906f8a95a0efff88bc1d49440b6ed4b7a0cc34021039ab822006a86bbb
- 04 R 870a523ee95493e67504d47777b7885d1f5fed963a96d553333fd4ab18fd4f64
- 05 L 41c0a0957418f203985930f1a48ff6ebbd72403c9fc67029c17307d202651485
- 06 L 0c6211948a8e15f06b01209cfaa5fe2b070cc1b0860d3e897b85288f4927bef6
- 07 R 65c05354fcb87b458121f9068e2eedb2c87a88fb11a9ca9f84defcb70ee9c4c8
- 08 L 17b4715f3db86da4057f9c52ee75d7e5fdc3af086c814a517ec09d88c5a4cacc
- 09 R 3e01eb3f01783252a2eef543c4a9bd2bd2246756e9a503821119bc5c302f446d
- root 386854fbe5a2b48274c78fecfeac66639a0ccb412990fb9250f9438d90d9e746