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 ₱1.8M contract to GLS CONSTRUCTION & GENERAL MERCHANDISENational agencies

Transaction hash:

2aa517e3087eaf3c0f0acf64227081a24108c9fba1646faea2a7de69eedd1054

Status:

Included and unchanged

Block:

#2,967 3,046 blocks after it

Position in block:

Transaction 38 of 170

Award day:

Jan 20, 2017 (9 yrs 9 mo ago)

From:

NATIONAL HOUSING AUTHORITY

To:

GLS CONSTRUCTION & GENERAL MERCHANDISE

Value:

₱1,808,879.59

Project:

Slope Protection(Stone Masonry)

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 #2,967 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 GLS CONSTRUCTION & GENERAL MERCHANDISE on 2017-01-20.
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 2aa517e308…dd1054now …
2. Block Merkle root changed
stored 99b5cb451d…19cd8anow …
3. Block #2967 hash changed
stored a671728cb5…6ed13enow …

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

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 169 records. Each step hashes the current value together with the sibling shown.

leaf 2aa517e3087eaf3c0f0acf64227081a24108c9fba1646faea2a7de69eedd1054
01 R 2bea4bd79890922013a21e6c4dd8b5b5016eeb477f17b32bbde378bdba9d5e71
02 L 47af3bf113f8f08743aa48e10329e530142c3e25a3e1092415eb18f910f8e580
03 L 3edd8b7930ebe87d50206d67d54f15e090f2cb990e7dd3c026e896335da15534
04 R 70a4d89af149e7a13cca60aa2f1766ee0935b5d0d49159b1ff16aa037a2e4084
05 R 8bbeb731e9c330cdd5dd342fb5f225a6e4b4d14cbea0a5205095a642bd8fab04
06 L a3908bad9da94cc7dc5af7ed71c45e7f300b94c54f98ab885e8499e67d7b7140
07 R c24d7a7be29b785ed4fe7870cb3ea3cc20d90b3d5389dd69da24f1ee36944880
08 R 42233ef64c4af408570a743550a0c82b2c86b63d38df1db5c69848086b78bd5a
root 99b5cb451d247dce6d3a222785d1a77b24e98ca59cac6d5e4538836aa619cd8a