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 - PANGASINAN SUB-DEO Award a ₱2.3M contract to WELMARY CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

a9b0bafd016ec65d2ccc4b71d56f26eeddcb5ba9b5991ff85cdb5330e3caefe4

Status:

Included and unchanged

Block:

#1,267 4,746 blocks after it

Position in block:

Transaction 38 of 57

Award day:

Oct 13, 2011 (15 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN SUB-DEO

To:

WELMARY CONSTRUCTION & SUPPLY

Value:

₱2,288,214.70

Project:

Construction of Multi-Purpose Building (GYM) at Brgy. Pangpang, San Carlos City, Pangasinan (4-bay, W18.0m, L24.0m)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN SUB-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 #1,267 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 - PANGASINAN SUB-DEO awarded it to WELMARY CONSTRUCTION & SUPPLY on 2011-10-13.
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 a9b0bafd01…caefe4now …
2. Block Merkle root changed
stored f0a515c709…2225cdnow …
3. Block #1267 hash changed
stored 02fbc863e1…893669now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (6 steps)

How this one record is tied to the block's Merkle root, without needing the other 56 records. Each step hashes the current value together with the sibling shown.

leaf a9b0bafd016ec65d2ccc4b71d56f26eeddcb5ba9b5991ff85cdb5330e3caefe4
01 R ae7becdf2e5d19474fcd9ab9abbaf5ef7fdf3835d35569d2c52fb4594532b341
02 L 5495f25845f7ded33b4d97e5732ec9b88dc462d7753575305b54585ec133b707
03 L 25d3dea4e7c87825e0a8cf6d6901f2de6b7a3c25fce6e9cb16e25316da5c225a
04 R a6dfd02afe55d02dc00e9ba55690049e836594506613e91e36a616c66922877d
05 R 17aa412bef4f21656a4d5d9e453f786f559259c4bd68b26e29b1d3e73fa36452
06 L f6ae69ac040d580d6ee5dbd6aa2e44e7d56e5c481f9532cb7531f539cbd6e0fd
root f0a515c7098b4187f794bb805aa477e047216054b4823dafb1dd05650a2225cd