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 1ST Award a ₱12.0M contract to VERGUZ CONSTRUCTIONNational agencies
Transaction hash:
4f5a22e403d72b2b05b69e2e110625f6c4f9c1d4253fceb277cf5cfc0fa84c30
Status:
Included and unchanged
Block:
#3,244 2,769 blocks after it
Position in block:
Transaction 100 of 312
Award day:
Nov 13, 2017 (9 yrs ago)
Value:
₱11,950,258.38
Project:
17LD0120 - 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 #3,244 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 - DAVAO DEL SUR 1ST awarded it to VERGUZ CONSTRUCTION on 2017-11-13.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17LD0120: 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 2018-05-15). 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 4f5a22e403…a84c30now …
- 2. Block Merkle root changedstored 2cb7a9722b…d53b18now …
- 3. Block #3244 hash changedstored 44136ea7f4…1c7200now …
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 311 records. Each step hashes the current value together with the sibling shown.
- leaf 4f5a22e403d72b2b05b69e2e110625f6c4f9c1d4253fceb277cf5cfc0fa84c30
- 01 R 507417df653298e4dd1b36ff3050477af4f7be0f3292f13428ea4bd742a534a9
- 02 R 050cb7f1e353e62fbf58cac3650afb5cf9d353885a04749b3240070e5ea85683
- 03 L ae5689bde2e39119310dae545e114e8840be432160c51f2fa697a47cde8c60d2
- 04 R 72cb0631d8be5aa70f49dd9a5fa66f76830bc20bd31b192cf793383d4681509a
- 05 R b1926370a60e9ff3f976afe8c2b636aa18bd0f6e2394c5b49ab5e05dee81d76c
- 06 L 2087d80194cab942d702abcff743f68653ef5d7ab306e8eccead5e339856c8e4
- 07 L 53e5014cf5dae7d438f6e3eb527f9715bddc4e16b40afd43540c4101b3e729ce
- 08 R c03954467a2abc7765a7c06f62c1eff9233c76a2dc36db08755b3250bd91a478
- 09 R 759b4f0960f9cef81124a807f3f17744c1ed167111770e81b5779364d4fae091
- root 2cb7a9722b346957514ef7ab8c89d5b6d09497ba20493e5c16c7ac8ee6d53b18