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 - SURIGAO DEL SUR 1S Award a ₱455.5K contract to DAVAO CONTRACTORS DEVELOPMENT COOPERATIVENational agencies

Transaction hash:

2ea2d1dcb0cc4a05001bbca0114f7cf9344654c5b7066e2d3a288bd7a3c71342

Status:

Included and unchanged

Block:

#813 5,200 blocks after it

Position in block:

Transaction 12 of 71

Award day:

Mar 4, 2010 (16 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

To:

DAVAO CONTRACTORS DEVELOPMENT COOPERATIVE

Value:

₱455,499.82

Project:

Concreting of Road Surigao del Sur Polytechnic State-College-Cagwait Campus,Cagwait, Surigao del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

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 #813 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 - SURIGAO DEL SUR 1S awarded it to DAVAO CONTRACTORS DEVELOPMENT COOPERATIVE on 2010-03-04.
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 2ea2d1dcb0…c71342now …
2. Block Merkle root changed
stored 5efeffa113…b62a13now …
3. Block #813 hash changed
stored ce97a72084…5a10c7now …

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

leaf 2ea2d1dcb0cc4a05001bbca0114f7cf9344654c5b7066e2d3a288bd7a3c71342
01 R 320d1c8be3e500753e513b3a68f93cbc22eab5ed92146fc7db6944c262fde6b3
02 R abbf8e0d8202a83c9ba84030336b72200bb3d79c7b3a057e6f7cd37d8d7a33b4
03 L 5a65daa6e2bfda4d7f27b74167c51f35e7e2470b9e27baf2cca343441c82b39c
04 L ac281e7cc97cc2630dc3eb9ca318fb2b1a80d2be82ca87c7f85ead6196f79fda
05 R 12d4aba0d3d506e23f05e5755fa98c56714f4e70519669d71e2f106a347f5249
06 R e4e8a61d63ee0a853845cbfbadb39541d81e295c8bdb555cfa7de3eecfe5dd66
07 R ad207440462eeb2910a0a54e49da2f506c757f06064fd6a01cc8c5360e34a2df
root 5efeffa1137f08d7bdf87b2b8fc619a9bbf90fe57afdfdc1c96084ee23b62a13