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 - ALBAY 2ND DEO Award a ₱4.4M contract to GEMELLUS BUILDERS AND GENERAL SUPPLYNational agencies
Transaction hash:
eb640f1da83da9c0caa94c77f8be9e57edecb88d79edcd819688052ab94f98d2
Status:
Included and unchanged
Block:
#4,971 1,042 blocks after it
Position in block:
Transaction 214 of 237
Award day:
Nov 9, 2022 (4 yrs ago)
Value:
₱4,350,679.62
Project:
Rainwater Collector System - Rainwater Collector
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 #4,971 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 - ALBAY 2ND DEO awarded it to GEMELLUS BUILDERS AND GENERAL SUPPLY on 2022-11-09.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21FB0208: 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 2023-02-15). 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 eb640f1da8…4f98d2now …
- 2. Block Merkle root changedstored 77ddbf8fed…fda3dbnow …
- 3. Block #4971 hash changedstored 8187ea8bb9…2e315enow …
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 236 records. Each step hashes the current value together with the sibling shown.
- leaf eb640f1da83da9c0caa94c77f8be9e57edecb88d79edcd819688052ab94f98d2
- 01 R ebd10b9e331693eaebe0c70bd8c581c283e26e9c4c297c80feffb321c51a1d99
- 02 L 8d8852389b21094eb390214469ca4c8b53bfeeac908c7c97efb8bcfb45d48d16
- 03 L efb52663905f15cbc6a97977e7fdfa0faa887ad205dece89527c35bddf5e763a
- 04 R 260f6143a6db248d8f82736ef73c219ffb1e933a73167cda0c40a28695f3f935
- 05 L 8c019cbb48784cd45540991c1d9425453c6e41f87b53113ed7ba02f335c7ec2b
- 06 R ec07eefff041adc734dfec20621a7303af8fcd0d18345f797ce5199de814e14f
- 07 L 394330a11c7b72e39e3b0e212d8e82aeff67b131b1e4b3e657c01ddd0d646d17
- 08 L 6faece626a3510c3c26886aab1a42e7dfab6e42ab6673d18aaf32dbe55111326
- root 77ddbf8fed919d1fb6256982bc4d2dcc60cd441b1837a063bb7e0d6837fda3db