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 HOUSING AUTHORITY Award a ₱3.4M contract to E.C. CRUZ CONSTRUCTION INCORPORATIONNational agencies

Transaction hash:

48ec85de7b326ecc31afe0ff99fa40c65310390868222e405b3f4eb3ad7cc7ff

Status:

Included and unchanged

Block:

#819 5,194 blocks after it

Position in block:

Transaction 19 of 54

Award day:

Mar 10, 2010 (16 yrs 8 mo ago)

From:

NATIONAL HOUSING AUTHORITY

To:

E.C. CRUZ CONSTRUCTION INCORPORATION

Value:

₱3,397,058.04

Project:

Construction of Entrance Arch Structures in 17 Northville Resettlement Sites in the Provinces of Bulacan and Pampanga

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NATIONAL HOUSING AUTHORITY

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 #819 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 HOUSING AUTHORITY awarded it to E.C. CRUZ CONSTRUCTION INCORPORATION on 2010-03-10.
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 48ec85de7b…7cc7ffnow …
2. Block Merkle root changed
stored 407da682c0…74b410now …
3. Block #819 hash changed
stored d7badc52f0…1f8653now …

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

leaf 48ec85de7b326ecc31afe0ff99fa40c65310390868222e405b3f4eb3ad7cc7ff
01 L 477672fcd42ed53b1a633191abbaac3ddf02f354b3e8fd4a6302723a9cb2c1b0
02 L f59b1ce3f1bd45cb492bcd8c7f50aed5f769e58a9d90cab9ca3603cfc453f511
03 R 473764d5b2af25d67a15746a2f3a7c71736a4e01ab7c4669d06d1777c7ae56e6
04 R 9266e422d7f3399d7b223f754c1ff189c9eb2bc84a175f84f9ac6439e841271a
05 L 98f73e0914781b9c8f8398256ca898b5d740c105665d03b80f07b8b3b1c53679
06 R b442a9dc4c5b223cf94cb8d08302850e097bdb0051c3d2daea52f0517aa44ffe
root 407da682c0ec7a70fc328b3aae524885b1a9702ffa32a0e592f8220a7074b410