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 - QUEZON 1ST ED Award a ₱3.4M contract to E.A. AYALA CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
232e7fed700dfd5ff0bdf3f99e3b223fd70edd9839e6fc4d7ee0e684c6061e8b
Status:
Included and unchanged
Block:
#3,230 2,783 blocks after it
Position in block:
Transaction 22 of 159
Award day:
Oct 26, 2017 (9 yrs ago)
Value:
₱3,369,721.28
Project:
17DK0120
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 #3,230 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 - QUEZON 1ST ED awarded it to E.A. AYALA CONSTRUCTION AND SUPPLY on 2017-10-26.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17DK0120: 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 2018-03-11). 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 232e7fed70…061e8bnow …
- 2. Block Merkle root changedstored 646c983cd2…5c73f2now …
- 3. Block #3230 hash changedstored 74578c1c0e…12b2banow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 158 records. Each step hashes the current value together with the sibling shown.
- leaf 232e7fed700dfd5ff0bdf3f99e3b223fd70edd9839e6fc4d7ee0e684c6061e8b
- 01 R 253a4ccdd591ee95fbba13df7a29bdc1da39c0b30485746693b82c85165777ce
- 02 L 05bc9d827b22746d5c917be94473a5d42de2ee98af064dc60c838de13dc2ecf3
- 03 L c88c43bc4880717525c98802e6ecfb2e5ed12ed3268dacfac800074113a48c23
- 04 R 97a72752eb322acbce87c057de65260181d174d7a8087d3ab399745a53d00352
- 05 L c18e831a7d540431a484ee34f429fd3d467317a08e45cdf742745d31453ad86d
- 06 R 35869d068e39956ddcc4a17bb087cbed17825b6755c9db3d9687070bc989c502
- 07 R 7887f33131ae3904a2e4cdfb61894bcf701dcf78a13dad8a01b49b87f72ddc6b
- 08 R 7f4ef8418761bec7c37e9f6da699515f31c6441ab021610640627b5276e78052
- root 646c983cd218f485dbe674584a5e288a4f6f9005c29caa3a6c48d093865c73f2