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

NATIONAL IRRIGATION ADMINISTRATION - MARIIS Award a ₱2.8M contract to GERRA CONSTRUCTION INCORPORATEDNational agencies

Transaction hash:

405caaa72d07bf4b06837cf6764653b480ba874b67cb553318781cf9e1515501

Status:

Included and unchanged

Block:

#2,701 3,312 blocks after it

Position in block:

Transaction 9 of 40

Award day:

Mar 28, 2016 (10 yrs 7 mo ago)

From:

NATIONAL IRRIGATION ADMINISTRATION - MARIIS

To:

GERRA CONSTRUCTION INCORPORATED

Value:

₱2,845,488.00

Project:

SPC-1

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL IRRIGATION ADMINISTRATION - MARIIS

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 #2,701 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)
NATIONAL IRRIGATION ADMINISTRATION - MARIIS awarded it to GERRA CONSTRUCTION INCORPORATED on 2016-03-28.
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 405caaa72d…515501now …
2. Block Merkle root changed
stored 114eb9ea4f…a3f092now …
3. Block #2701 hash changed
stored 049a32620b…c83874now …

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

leaf 405caaa72d07bf4b06837cf6764653b480ba874b67cb553318781cf9e1515501
01 L 3df40cd495e087ebf2753f1d43a508a2995ee42977e25db2bab267c879f2a977
02 R 1a57ceca5425d7ead5ce1a527295342def0a1e93936512391dd35305ea56142e
03 R 65fdb617e14ab1c2eff5c97365e62fef10d4cbaa21a2e4076310ed64804e042a
04 L e6161fe723eb6f3187cf3579e16448b1a537c7c7d3e2f90d4825d8d58f30d183
05 R 1e6aacb9cffaa99058db25906eb66af00f1bbb54ff4f7113998821bc7de27556
06 R 2cf5c71ae12e39e921532795a70ad2778ef30a00d0f580ac5b45f3ceb186d553
root 114eb9ea4f75b860c7527789471375110456d3970446a919470e047fdba3f092