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 - MM 2ND ED Award a ₱4.7M contract to AKH CONSTRUCTION AND TRADING CORPORATIONNational agencies

Transaction hash:

f2322e4b0bc50686ec2bac7a5655c1f9177e4aac2d1a9cc8eeb430ba81a0a2b9

Status:

Included and unchanged

Block:

#1,355 4,658 blocks after it

Position in block:

Transaction 65 of 72

Award day:

Jan 19, 2012 (14 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND ED

To:

AKH CONSTRUCTION AND TRADING CORPORATION

Value:

₱4,689,852.75

Project:

Construction of Multi-Purpose Building at Simplicio Cruz, Barangay San Isidro, Parañaque City, Metro Manila

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - MM 2ND 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 #1,355 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 - MM 2ND ED awarded it to AKH CONSTRUCTION AND TRADING CORPORATION on 2012-01-19.
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 f2322e4b0b…a0a2b9now …
2. Block Merkle root changed
stored 5d626ac0dd…e4eadcnow …
3. Block #1355 hash changed
stored 388e26304f…e60401now …

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

leaf f2322e4b0bc50686ec2bac7a5655c1f9177e4aac2d1a9cc8eeb430ba81a0a2b9
01 L e1b2c387a40b4da99a35eb06443c77f186eb6fa57e6e9ca5153293e36dfd9480
02 R 73c154514d64d924e10ccf103f595d49c544b5fb5554c32dc0e03f35e5fd0ca0
03 R 5781df70537245a35d13320f8a5bba5fe44edcf2938a5ad27af961d532a771f8
04 R d9ac80b27845fc04fe511f42433f80959386f737a35453fee141cf9ed155d1d5
05 R 688fa647275878bcd92d6125ca31c76a4c9c19c00f8420a0e783b293bc5f7dfa
06 R 9649e9d11b459f585604acc2b469a7368d37595c71108e3e97cea5b3878658a1
07 L 5e3a64b169b9719a3b4d0b55b9bbdd164c4c15ec19183decf58ea47b07b4127e
root 5d626ac0dd4b34f1fda5e56236b5ca24189318f730323da44654b91cace4eadc