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

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO 1ST DEO Award a ₱3.5M contract to ROPRIM CONSTRUCTIONNational agencies

Transaction hash:

14f18f9c97ff866b93fa7414979eae7128091f470c46fa136f521baf902b00ca

Status:

Included and unchanged

Block:

#1,285 4,728 blocks after it

Position in block:

Transaction 9 of 78

Award day:

Nov 3, 2011 (15 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO 1ST DEO

To:

ROPRIM CONSTRUCTION

Value:

₱3,492,121.69

Project:

Construction of Parara Elem. School Multi-Purpose Building, Tigbauan, Iloilo.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO 1ST DEO

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 #1,285 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ILOILO 1ST DEO awarded it to ROPRIM CONSTRUCTION on 2011-11-03.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 14f18f9c97…2b00canow …
2. Block Merkle root changed
stored 010d1a1ca1…720576now …
3. Block #1285 hash changed
stored b820b4af80…138492now …

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 77 records. Each step hashes the current value together with the sibling shown.

leaf 14f18f9c97ff866b93fa7414979eae7128091f470c46fa136f521baf902b00ca
01 L 147f59bdc5dd2bd812c4ca56edab4b2fa2d26f4cf73f7a8a8c49c4fe5d58115a
02 R ae7843438bd29c357dddc68bb9429f60b2a8e28296b8bd30084b3f479e516804
03 R 286144e95ac19577db2a820343a56b8ca5fb9febd8495f071aa9fe4985d5fc5c
04 L 5fdb96d772a91c105bb0bee48cde597be83330caff2e8847b930ff693dc920fb
05 R e3ba65715baec3766e677c41d046bb12caf73c9eac66d58805a40e6e05f48692
06 R 72fba873d51aaaa071a07425e9e7dc68657c5a8f94980fbe1e5cfd56033dd3e5
07 R 2b3c27e43d63c7c8729afd75ca0580111816c4096b0c510e96a1e3f5d9abc2e7
root 010d1a1ca121a229716bff7f0de026baa6b3d2f2b0a01e7962d71f31f4720576