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 - PAMPANGA 1ST DEO Award a ₱8.0M contract to B-12 CONSTRUCTION AND TRADING CORPORATIONNational agencies

Transaction hash:

a4e8a1c8ece1498a52543861eb1b15f948fdc665a834050f0b37885901e88b65

Status:

Included and unchanged

Block:

#2,993 3,020 blocks after it

Position in block:

Transaction 107 of 169

Award day:

Feb 16, 2017 (9 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 1ST DEO

To:

B-12 CONSTRUCTION AND TRADING CORPORATION

Value:

₱7,992,420.00

Project:

Concreting of San Vicente Road, Bacolor, Pampanga

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 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 #2,993 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)
DPWH lists the funding source as "Regular Infra - GAA 2017 LFP", i.e. the FY2017 GAA. The exact UACS line is not given.
Partly
Open
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 - PAMPANGA 1ST DEO awarded it to B-12 CONSTRUCTION AND TRADING CORPORATION on 2017-02-16.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 17CG0026: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2017-05-08). The certificate itself is not published.
Partly
8. Audit
COA 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

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 a4e8a1c8ec…e88b65now …
2. Block Merkle root changed
stored c1b40317a5…6f5069now …
3. Block #2993 hash changed
stored 35caad93a2…c52aa4now …

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

leaf a4e8a1c8ece1498a52543861eb1b15f948fdc665a834050f0b37885901e88b65
01 L a49859772d74dc021bfb50e07ed6db3503e5ffd19a3c63ae0e2db815ccd15a67
02 L f542b370f5523398feca41f8a8631cf42077931ecc89378b4707a1d4a502b5ae
03 R 23eda5e21107fa4f99c372fcb3c1cd643df023513505c30ea1151946177eb983
04 L 780a829f33bac2f16c6ddbb29f8710bbb8439dc5072e4caccc653cf5cae34ca4
05 R db9e3a10cc5d602ab79a8149dae63a5c7e1348c3a0a7dd230b075b5942eece69
06 L ae021d8074c340d17ef4f9396916d85a6b33fe23d639d811bd443b1cce5ca986
07 L 06f8dd987e4a1f0a53a355389ce38131fc49ac362745f01a16f0d2a6ae37b7b0
08 R 423a2cf54cf06d22058b76d9deecd61eee99f9323a817b6599300b634a2b8b67
root c1b40317a54f20638836c4f27cf0f7752456e300708d395ef27175d8f06f5069