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 - QUIRINO DEO Award a ₱8.9M contract to GACUTAN CONSTRUCTIONNational agencies

Transaction hash:

624fd31d767b5eb7cebbd02a6d09083a454b1a9d823e911dc7818190e8b1462b

Status:

Included and unchanged

Block:

#1,907 4,106 blocks after it

Position in block:

Transaction 42 of 104

Award day:

Nov 4, 2013 (13 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUIRINO DEO

To:

GACUTAN CONSTRUCTION

Value:

₱8,873,490.88

Project:

13BK0061 - Road Upgrading

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUIRINO 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 #1,907 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 - QUIRINO DEO awarded it to GACUTAN CONSTRUCTION on 2013-11-04.
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 624fd31d76…b1462bnow …
2. Block Merkle root changed
stored 097028b03c…b8c572now …
3. Block #1907 hash changed
stored a7735b6029…f3a578now …

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

leaf 624fd31d767b5eb7cebbd02a6d09083a454b1a9d823e911dc7818190e8b1462b
01 R 6baaaf65e51cec0c052028508b8befb233233eadc885f8536f5bddb408032b44
02 L 428b60cf8e0f2a98587ad70502e09f88629a8dfe144ab00845312f37f0200d49
03 R 80a5d63464bdbea8650379beef0b62d53fa719a89c83b0509edcc4a773df741f
04 L de366cc2a7e8fde9ae6909e86b69556a3b17008ac71ec9c9455dbd8aa80c1e9c
05 R 74f46850a446d28b1f9b9c461f5cb1d90c6699182dd2120ec7777e72dc2d569f
06 L bd510bebc491116238739ea02537ebeccb6fb75218322890264f7a55cd497be8
07 R 129223631050476dfb92bc41893b4904fe48a1e34b9c158cdccf9533b0d3bf59
root 097028b03c9b8212db9c0d6f23747e193bbdbbf64e76dc8a57c1d220a7b8c572