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 - PANGASINAN 3RD DEO Award a ₱478.3K contract to AQUATERRA KONSTRUKT, INC.National agencies

Transaction hash:

fec12f85183dacbb60c75a6f054e05a9093f3b204486a8ce416dc4a7b53f24c5

Status:

Included and unchanged

Block:

#583 5,430 blocks after it

Position in block:

Transaction 6 of 7

Award day:

Apr 23, 2009 (17 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD DEO

To:

AQUATERRA KONSTRUKT, INC.

Value:

₱478,264.74

Project:

Concreting of brgy. Road in Paurido, Urdaneta City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD 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 #583 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 - PANGASINAN 3RD DEO awarded it to AQUATERRA KONSTRUKT, INC. on 2009-04-23.
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 fec12f8518…3f24c5now …
2. Block Merkle root changed
stored 0075fc21ee…2d593cnow …
3. Block #583 hash changed
stored cf0e65ef35…d71f3anow …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 6 records. Each step hashes the current value together with the sibling shown.

leaf fec12f85183dacbb60c75a6f054e05a9093f3b204486a8ce416dc4a7b53f24c5
01 R fec12f85183dacbb60c75a6f054e05a9093f3b204486a8ce416dc4a7b53f24c5
02 L 45b71814e4099b597b40f7c1d9465e3a3c3541b699773f9199ae9e2609259de0
03 L 4fdf2bb446f614aa10fac35cd718068cf3091488580bfd91b62c6d0c276af2a9
root 0075fc21eea4a0def13c0a6882e2ed72709b641b80f88ab31f50b25b102d593c