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 - D. DEL NORTE DEO Award a ₱1.4M contract to DAVAO CONCRETE PRODUCTSNational agencies

Transaction hash:

028fac85a07646e49c5f2e1d0b8bd84bcb71a45d20f2abd946e2a1bef569de82

Status:

Included and unchanged

Block:

#1,787 4,226 blocks after it

Position in block:

Transaction 4 of 45

Award day:

Jun 26, 2013 (13 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - D. DEL NORTE DEO

To:

DAVAO CONCRETE PRODUCTS

Value:

₱1,448,754.28

Project:

CLUSTER I Const./Rehab of MPB

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - D. DEL NORTE 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 #1,787 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 - D. DEL NORTE DEO awarded it to DAVAO CONCRETE PRODUCTS on 2013-06-26.
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 028fac85a0…69de82now …
2. Block Merkle root changed
stored f690026d1f…5f4510now …
3. Block #1787 hash changed
stored 5bf36a0116…588ad2now …

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

leaf 028fac85a07646e49c5f2e1d0b8bd84bcb71a45d20f2abd946e2a1bef569de82
01 R 058b36fc1e43eb1e80ec7b0b298cb68f1c699a2973db2821a8b9a7a34c178356
02 R f7811f284e5eba2136fe1895acf09f3572b9e8a72c10a68b94b0d39a85e935e0
03 L 36b6dfc5788c05f5ace106d5025c859c48dc3862d1bd76f4552f0bbdaa83ef89
04 R 09dca83d0b0189ad8e0f8dab78b65b9b9a71cccfa1f64748654a48daf89eeb85
05 R 267c5c7d563ccb7136c1244f00e8b44d69e4ec79668f0bf2335f4623cfb9e623
06 R 235a894935e3e4914c774620130114f2113a1bda8da3055998c1d43d9ee03d30
root f690026d1f9653256e70627ed53940103a180e041cc9e6d7041315afce5f4510