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 ₱412.1K contract to COLBY CONSTRUCTIONNational agencies

Transaction hash:

30c5427dfd034e37d50de765b4fc58ec4649e287c74424366c44f35df3d55fd1

Status:

Included and unchanged

Block:

#1,939 4,074 blocks after it

Position in block:

Transaction 43 of 229

Award day:

Dec 10, 2013 (12 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUIRINO DEO

To:

COLBY CONSTRUCTION

Value:

₱412,136.84

Project:

13BK0063(Re-advertisd) - Installation

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 #1,939 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 COLBY CONSTRUCTION on 2013-12-10.
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 30c5427dfd…d55fd1now …
2. Block Merkle root changed
stored 609c4dbcbb…31a8d1now …
3. Block #1939 hash changed
stored 0dfd6aadc4…884159now …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 228 records. Each step hashes the current value together with the sibling shown.

leaf 30c5427dfd034e37d50de765b4fc58ec4649e287c74424366c44f35df3d55fd1
01 L 308f1f0e025c251122cad51f52c12513a6c9181d87843b17d01f1e015fa3a2e5
02 L 94c127dfb16a9a060628a46a10277a2120dffa953d840c33878851a067b47e45
03 R edb7c13cb91d166c20f0bb986053bb99389f1b8431f3509d25f1edde91876967
04 L db0107ceea5432cd947df28c0c62bb7b997811c16d003a9235557f3ea8f8eb00
05 R 9740d0c849defd61c275f8c0ef5106ffa3cd999aceedf963fb44ed68e1fc3f19
06 L 52a7cd7d7e42d8bfcebd30de7bc919897dfea7716172dde1f251ccd4b7a8cfe2
07 R 508c28d6dc91ccfe4340f321dfd980f3d47cba93cb7dc930c72185cd4ec2d340
08 R 334bdb44229c850f5054370b994f80d0e47e01a39b06530d507fe58046031fc8
root 609c4dbcbb20d8edca7f5c494404cb7e8e192aeafab7d00d5ddf52ea5c31a8d1