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 - TARLAC DEO Award a ₱947.0K contract to IJK CONSTRUCTIONNational agencies

Transaction hash:

389cb801a2da80898cdebd2c9405b0e0520932b42dde141e3fb1e708c5f9b67c

Status:

Included and unchanged

Block:

#1,818 4,195 blocks after it

Position in block:

Transaction 21 of 100

Award day:

Jul 31, 2013 (13 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC DEO

To:

IJK CONSTRUCTION

Value:

₱946,986.79

Project:

CONSTRUCTION OF PUBLIC MARKET, NEW SAN MANUEL PUBL

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - TARLAC 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 #1,818 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 - TARLAC DEO awarded it to IJK CONSTRUCTION on 2013-07-31.
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 389cb801a2…f9b67cnow …
2. Block Merkle root changed
stored 5fffaff866…02b0a1now …
3. Block #1818 hash changed
stored 505a8cf1d7…4c6497now …

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

leaf 389cb801a2da80898cdebd2c9405b0e0520932b42dde141e3fb1e708c5f9b67c
01 L 3596f5df8d8530272488b0331928a1da877d3a58d0e7f0c1718b7e85d0af5b0c
02 R 0715c76d3274e132983ef9aa60cd06193604b0f42b70a3c2eff215fa804982de
03 L b7304189248b321f72aa3106fa2af19783183aec35a8db1bd3e4e621b93f3423
04 R fdfe92fb37c623ead13abd82d86d78e96585d6db0061e8aca8be9d16ff3e056c
05 L c9c003a803ed2317a6fd3e0373a021eafa4f7fc2b845174df49264183814eb10
06 R d9ede1f5b387b2fa7c04dac61804c225afecc24ab0e5c2f73be123dcb2c2a805
07 R 4215d16a3b56c847737c390ea5253ee48eb642a65d6cb20747a42cee1b6d14f2
root 5fffaff86602c24872abbaa94c4baaaec1a0c9442b8bf54a412a256a3502b0a1