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 ₱39.2M contract to BILREY CONSTRUCTIONNational agencies

Transaction hash:

7eb07d5e4090b2b206d856d2c09c6851cbbd6bf8162ac429003631596e71eade

Status:

Included and unchanged

Block:

#2,122 3,891 blocks after it

Position in block:

Transaction 21 of 62

Award day:

Jul 8, 2014 (12 yrs 4 mo ago)

From:

NATIONAL HOUSING AUTHORITY

To:

BILREY CONSTRUCTION

Value:

₱39,207,270.76

Project:

Construction of Duplex Housing Units (Loftable Type) Rehabilitation of Lustre HOAI Subdivision Z3R Project, Brgy. Sta. Catalina, Zamboanga City

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 #2,122 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 BILREY CONSTRUCTION on 2014-07-08.
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 7eb07d5e40…71eadenow …
2. Block Merkle root changed
stored a3677003c3…131231now …
3. Block #2122 hash changed
stored 67cb4b1141…0711c3now …

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

leaf 7eb07d5e4090b2b206d856d2c09c6851cbbd6bf8162ac429003631596e71eade
01 L 7d90a081b16c8747dba73055a15f2169016f5642db6fc3db07ecf4c645ca6712
02 R 4053e6698b2a181b571240a66867513c084a06b8088f66cf086c7360589b8f3b
03 L 61c3df1312277feb429cdecf03168be3117eb20dd70b6b6729c1337129c90d34
04 R 33015b697aff7a0c93c9f16d6371ae54df060e9b53490553306faeca7c49cfb6
05 L 519c8eecf50234b56add512870193170018a29ebece51598b73687a9b629b460
06 R ae22f3172a9e9f4a00f06b849b9ad3e051b8ff7c991da8860e2cf49c426a3e74
root a3677003c3e196a4cf49baca904570a989b06c80af8eded2692c2f5b40131231