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 - ISABELA 2ND DEO Award a ₱6.3M contract to R.E.A. CONSTRUCTIONNational agencies

Transaction hash:

008a80d8ae2dbb96f8a08ec403d3a1cfc46752cbe52acef519e3c7ebb5c19b1c

Status:

Included and unchanged

Block:

#5,020 993 blocks after it

Position in block:

Transaction 0 of 429

Award day:

Dec 28, 2022 (3 yrs 10 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND DEO

To:

R.E.A. CONSTRUCTION

Value:

₱6,279,854.09

Project:

23BF0027

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND 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 #5,020 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 "Outside Infra - GAA 2022 DepEd BEFF", i.e. the FY2022 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 - ISABELA 2ND DEO awarded it to R.E.A. CONSTRUCTION on 2022-12-28.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 23BF0027: 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 2023-05-04). 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 008a80d8ae…c19b1cnow …
2. Block Merkle root changed
stored f93c3fe3f1…6cb2e1now …
3. Block #5020 hash changed
stored a61a28696b…d1957cnow …

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

leaf 008a80d8ae2dbb96f8a08ec403d3a1cfc46752cbe52acef519e3c7ebb5c19b1c
01 R 0097ad3d744c64f2624ea79e63ea8a2eb07483db41fe8eab6475b6495b2eefd8
02 R 412500a8f291b0c025caf3a264a429e29412dbcd10ade924bf0612682a2fba8e
03 R fc763b59ec6a5d3765ec17abc2da189463305dd1bc2c18e6c74d159136ae3ea1
04 R fda29519021742a5603986c6d6ef1fb94dd8b4c28170d3f849b8c114e7b3c6d9
05 R 7bae5676c65ade1e024e31ee68cb0bca7c5805e7a167ac4080adba3f1ef0e622
06 R 0e2261adfecf9ba4d9f9ca938189cc6ce8ce3a240f85d586005e327432dab6d4
07 R 0f594fb5c67baaf33b78777783c861ce53c797e1e948e25507ad8cf216136abe
08 R bc7f0f7c429d334a3f8099804293ea3261363fd043172d8c37e7715a77439ece
09 R 00ff581f74cef39bb926d8dbea19951034ad20dd07e99c1e9109a2914f67a59f
root f93c3fe3f1ae8b78ad49733fe210bee8f487b83b68829daeb3f5d369a96cb2e1