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 ₱5.4M contract to HRB CONSTRUCTIONNational agencies

Transaction hash:

b2c60de98bda4ea76c8dad444df7338987f98dd7243dcbd3dcb6849b118a5fbb

Status:

Included and unchanged

Block:

#504 5,509 blocks after it

Position in block:

Transaction 25 of 32

Award day:

Jan 5, 2009 (17 yrs 10 mo ago)

From:

NATIONAL HOUSING AUTHORITY

To:

HRB CONSTRUCTION

Value:

₱5,385,847.50

Project:

Land Development of Magarao Resettlement Project, Brgy. Magarao, Camarines Sur

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 #504 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 HRB CONSTRUCTION on 2009-01-05.
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 b2c60de98b…8a5fbbnow …
2. Block Merkle root changed
stored dfb8898785…d1199enow …
3. Block #504 hash changed
stored da5f64ac28…344d07now …

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

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 31 records. Each step hashes the current value together with the sibling shown.

leaf b2c60de98bda4ea76c8dad444df7338987f98dd7243dcbd3dcb6849b118a5fbb
01 L a7b241a328b7a6a133bee1f3466808a647c6a60e796312a6f67f5b750f229eba
02 R 86e6bd638ad571a7ed1fbe3fd69a42ec5e0aec8f8f883a9e7a24a90956745820
03 R 3d32346d61477de66aea4e57e95571b2bdeab6a9960e418c289bf744d71334cf
04 L 0c1093fab456322db6eb9bc9718524ee0366a9ce449cbc945bd1b1b698376397
05 L f4c89474d83935ca63fae74d70e5c1ee4f7f296dccb080bbdb16341ac84d6f18
root dfb88987856adf60fa5d3fced42305b6a298aac61030b38d322d7d0b94d1199e