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 ₱492.2K contract to MAR-DEB CONSTRUCTION AND DEVELOPMENTNational agencies

Transaction hash:

ef9ef9075dbfe9789caecba1daacab3505a9e2dc90a8574908847ea54905288e

Status:

Included and unchanged

Block:

#1,536 4,477 blocks after it

Position in block:

Transaction 57 of 65

Award day:

Aug 17, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUIRINO DEO

To:

MAR-DEB CONSTRUCTION AND DEVELOPMENT

Value:

₱492,198.12

Project:

12BK0044 - Repair/Restoration of Tungcab Bridge Approach B along Cordon-Aurora Bndry. Road K0365+590.3 - 365+611.3 (Completionof Approach), Maddela, Quirino

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 #1,536 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 MAR-DEB CONSTRUCTION AND DEVELOPMENT on 2012-08-17.
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 ef9ef9075d…05288enow …
2. Block Merkle root changed
stored 1871f518ff…9c72d6now …
3. Block #1536 hash changed
stored 09a76f4764…c778e2now …

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

leaf ef9ef9075dbfe9789caecba1daacab3505a9e2dc90a8574908847ea54905288e
01 L ebb999c33cc283ff41b6841f455d7a01b6e42c2367949b1ac5cfa0b4d42d217d
02 R e0c7475f47caf869ee4ad98d45dec58b0b53dd145b0a999d0a3cad15d4d49477
03 R 534159f152c2658e471ccbf91899076cc5034e92f882f0d7b3ae6f283457a57c
04 L bfa466401a0e2235c5fa4ff3b284935ee2bc0e32d8b7bcb9e98ffe94bc643358
05 L 6470623862740874a4b18fffed12819c61c516a200447175ec9e9e4fa0076092
06 L 07a3f1ec0ac606ffadac666794de4b642da1f3c8a897360f650723ab371b5d3b
07 R ba865358120f6067e8cd1dd149415be71b8222a0ec4374169ff7dfd93deb178b
root 1871f518ff9b5ecc585535d045b0a675992346ed48db3740ff09ce38459c72d6