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 - AKLAN DEO Award a ₱672.3K contract to PASTRANA CONSTRUCTION & SUPPLIESNational agencies

Transaction hash:

eddddbd1a7a3d082b8bfa17161ded45b0561f20d9c82e005cc72aab5ff57f884

Status:

Included and unchanged

Block:

#1,527 4,486 blocks after it

Position in block:

Transaction 47 of 49

Award day:

Aug 7, 2012 (14 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AKLAN DEO

To:

PASTRANA CONSTRUCTION & SUPPLIES

Value:

₱672,325.00

Project:

Equipment rental

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - AKLAN 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 #1,527 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 - AKLAN DEO awarded it to PASTRANA CONSTRUCTION & SUPPLIES on 2012-08-07.
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 eddddbd1a7…57f884now …
2. Block Merkle root changed
stored 49c361cd6f…0217abnow …
3. Block #1527 hash changed
stored 5b52c25725…4b46a0now …

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

leaf eddddbd1a7a3d082b8bfa17161ded45b0561f20d9c82e005cc72aab5ff57f884
01 L e56b65da48ed363d2aa32ba13634884150953d737ef7427fa0fc8f241ca89cba
02 L dfc40986cf844563a76e4523cd928037cc193e2a8fc6f9c6945fdffe1ae334c4
03 L 9f52a6afebbc5868bfcc27dfe163521d35529e72dbbc745eaf8ba2265662d168
04 L f730e1df5e8e11fc700d3bf30ef70678bc7d1edf68b8549e3907ca5700cba75e
05 R d62a0ec4548ca0a69938916335d20c1f5bdec99e284486b25b363e294e4b72ff
06 L 9235790aebde7125e4171fd5c2c6067b1ba5c77b8fcf2626fd7e7a2da2361a4c
root 49c361cd6fcb2fc997b0dad31fff91634f8ff4d41cf13ebee3194cf2bf0217ab