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 - 5TH LEYTE ED Award a ₱1.9M contract to COLLERA CONSTRUCTIONNational agencies

Transaction hash:

7ea3f2339a91a96aaebef06e649b7f91544e2116e0f02d6a061c87619375493b

Status:

Included and unchanged

Block:

#1,886 4,127 blocks after it

Position in block:

Transaction 41 of 109

Award day:

Oct 10, 2013 (13 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - 5TH LEYTE ED

To:

COLLERA CONSTRUCTION

Value:

₱1,925,956.38

Project:

Cluster Repair/Maintenance of Flood Control Struc

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - 5TH LEYTE ED

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 #1,886 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 - 5TH LEYTE ED awarded it to COLLERA CONSTRUCTION on 2013-10-10.
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 7ea3f2339a…75493bnow …
2. Block Merkle root changed
stored c181d94d1a…257875now …
3. Block #1886 hash changed
stored ca9b6427e4…cd7f9cnow …

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

leaf 7ea3f2339a91a96aaebef06e649b7f91544e2116e0f02d6a061c87619375493b
01 L 7b034dc4b425147c74349f4ad63fa35c0a7a5bb17ccc12df48754d144f9ecf15
02 R 0766a8e5cb6bab0958a486a38395ea99d72cf7a7b8347006cb066eb09a4211f2
03 R 328d250975b2f2b71206cd1484fb84e8f3e9fbbc68a5831200fc23c45c6e02ed
04 L 3e43f49b457973c2afa03d53095200ae2674d89a143b3d03a4492a3b9b0bb14e
05 R 93242cd91898a7b5da8eb7af0b53c5ca16530de1ed0daeaf89e70878a07a213f
06 L b1212068c3920ebb4f63d730c58be39737c70740ea905d0efad117733707f7b9
07 R 4a26fd35f8a04131c38e467b2ad911c0d3da4ebbd37d6d820fd0e1b9651bcb70
root c181d94d1a48c3648b40c14369a3abcf579b2023e051fdab157593af00257875