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 ₱343.1M contract to J.D. LEGASPI CONSTRUCTIONNational agencies

Transaction hash:

012929ea407742bbe2bfce72dd8568eb7ee7905d11d697e15015f99e29d3da0a

Status:

Included and unchanged

Block:

#2,220 3,793 blocks after it

Position in block:

Transaction 0 of 118

Award day:

Oct 23, 2014 (12 yrs ago)

From:

NATIONAL HOUSING AUTHORITY

To:

J.D. LEGASPI CONSTRUCTION

Value:

₱343,105,892.32

Project:

Const of Twelve 5-Storey LRBs-Camarin IV

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 #2,220 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 J.D. LEGASPI CONSTRUCTION on 2014-10-23.
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 012929ea40…d3da0anow …
2. Block Merkle root changed
stored 2a03c577d6…dd8667now …
3. Block #2220 hash changed
stored fec01f7499…ffda49now …

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

leaf 012929ea407742bbe2bfce72dd8568eb7ee7905d11d697e15015f99e29d3da0a
01 R 0607f9e4258af129f581015befb3987c5f3d16a6b93b9a926f308c4f8c5cdfcb
02 R 4bf59ce31d6173fa47a1394eb9e36cfe4a98563eafb8bfa9d0c4420323ac4896
03 R cfeae96604413ee1409dabd4a19d69e98e8591721adb603b9235222f0f23b997
04 R 5f8ea56f537a788cb92327bb55f4da1919e110a58fa40adc6b609cdb68e91e66
05 R 7da78e83dc8384d5831bc20937e706bfe085c8bf7e68a216a5c1e807c99a28de
06 R bee4e513a1200b8cec423aa33c7f242e4317a4e8606b0e26924983b151d2669d
07 R 9698f90c78e4f9b8de3aff2c235405f7a2c9c8b15555de0504d469c87ce68646
root 2a03c577d665dcef60bad10195966f2616552a2e99904497d1d302cef3dd8667