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 3RD DEO Award a ₱473.4K contract to MAR-DEB CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

b76ca417a4b60fb64a27ac51ccd93690d1aea22b1b72c8ea90ee90acfa58ca5d

Status:

Included and unchanged

Block:

#820 5,193 blocks after it

Position in block:

Transaction 61 of 83

Award day:

Mar 11, 2010 (16 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD DEO

To:

MAR-DEB CONSTRUCTION AND DEVELOPMENT

Value:

₱473,424.38

Project:

Repair of School Building at Sto. Domingo E/S, Sto. Domingo. Luna, Isabela

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 3RD 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 #820 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 - ISABELA 3RD DEO awarded it to MAR-DEB CONSTRUCTION AND DEVELOPMENT on 2010-03-11.
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 b76ca417a4…58ca5dnow …
2. Block Merkle root changed
stored 154973610a…b1b701now …
3. Block #820 hash changed
stored 3eb34b3988…5d3a91now …

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

leaf b76ca417a4b60fb64a27ac51ccd93690d1aea22b1b72c8ea90ee90acfa58ca5d
01 L b690dac2de4de38ae83678dd1dedbbcb34856a1e740ff5636a8f2a2437939661
02 R 28b3867b83c00079926e087b81180cb0f5439344788e122e4ab0ea7a6b97ac08
03 L 49f474281832885b2c37380bbefde8ea40c1b8440709e517ed676cbefd654a86
04 L c35c5181aa88603f1141c08d3eb403eb844296da9deb03b5e8cb3cd5b61d0c03
05 L dd6bdb86818e9e4975ad7f9dc77acfbf10191c1e7187ea7c5b30063e1486936e
06 L 8ca6c13a6821852b43e3c9acba21bf0fc1bea7e4e8a87064a16addf7bc3d0d15
07 R f12e7bcf2a4f089995010cdab95f20bec7a938b46e7410d9e33440b5254532c0
root 154973610aa26afb260c2bd22941d02624f057aa681160bddf0cd64704b1b701