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 - SOUTHERN LEYTE DEO Award a ₱2.8M contract to ZAS CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
103a35ab439e2b2bd37ba6cb846257dbe543923a2a348ad007bbe4d809c2deb4
Status:
Included and unchanged
Block:
#2,153 3,860 blocks after it
Position in block:
Transaction 3 of 74
Award day:
Aug 12, 2014 (12 yrs 3 mo ago)
Value:
₱2,835,822.27
Project:
14-IL-0057 (Construction of 3-CL Silago NVHS Bldg.
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 #2,153 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)The award does not say which budget line pays for it.Not published
- 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 - SOUTHERN LEYTE DEO awarded it to ZAS CONSTRUCTION AND SUPPLY on 2014-08-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 103a35ab43…c2deb4now …
- 2. Block Merkle root changedstored 02c7854c8e…7a3d06now …
- 3. Block #2153 hash changedstored ec485a977d…03c6c3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 73 records. Each step hashes the current value together with the sibling shown.
- leaf 103a35ab439e2b2bd37ba6cb846257dbe543923a2a348ad007bbe4d809c2deb4
- 01 L 0dd7ceb0d48ad2f37d4775b1b9bafaa17911473fdbde4ac30e89ddd04395f4a7
- 02 L 0a0ca06bec9e089f1d8ea25f8e76394165e38306d9cb2eae42bb11d47a938fa6
- 03 R 563beed4980c37d65c4e8c173502ae666e71b582802d0f8c4664ee36e46e6033
- 04 R 949f0004f6c4236215c33ade131251f24c7fbe17b1046f0285240a72def6a9ae
- 05 R 49b159970481a439d48a871873817269e21406ab39404a38079844275845499c
- 06 R 62a3975742408a0c6a5b21518f5902e39489d83eeb0c97d47453d1df1b67a5b4
- 07 R 9d6592d4a819e239074d8497078e9f56d606c6ba51afd9181947652129fc6dd4
- root 02c7854c8efd21a98031ab40f17eb3e53a1dbaab0b570181508060d0877a3d06