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

PHIL. ATMOSPHERIC GEOPHYSICAL & ASTRONOMICAL SERVICES ADM. Award a ₱220.0K contract to L.S. ABELAR CONSTRUCTIONNational agencies

Transaction hash:

7f43c13e4fa8447bee63fc508fe6d28a3342872b33f4c18b30ee96412b5c6350

Status:

Included and unchanged

Block:

#19 5,994 blocks after it

Position in block:

Transaction 3 of 8

Award day:

Dec 11, 2006 (19 yrs 11 mo ago)

From:

PHIL. ATMOSPHERIC GEOPHYSICAL & ASTRONOMICAL SERVICES ADM.

To:

L.S. ABELAR CONSTRUCTION

Value:

₱220,000.00

Project:

Invitation to Apply for Eligibility and to Bid (lots 1&2 re-bidding)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

PHIL. ATMOSPHERIC GEOPHYSICAL & ASTRONOMICAL SERVICES ADM.

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 #19 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)
PHIL. ATMOSPHERIC GEOPHYSICAL & ASTRONOMICAL SERVICES ADM. awarded it to L.S. ABELAR CONSTRUCTION on 2006-12-11.
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 7f43c13e4f…5c6350now …
2. Block Merkle root changed
stored f2e5be7827…b0f756now …
3. Block #19 hash changed
stored 435cd9b2e9…ec5424now …

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

Merkle proof (3 steps)

How this one record is tied to the block's Merkle root, without needing the other 7 records. Each step hashes the current value together with the sibling shown.

leaf 7f43c13e4fa8447bee63fc508fe6d28a3342872b33f4c18b30ee96412b5c6350
01 L 44798ba19d52f29e088ef784622798734a3c02b6e34815ec88289e8f32121d43
02 L f8fd0066853a5096e9b7a75a0ab4e31638986b9a5f5cb7dc23cf4c80e84dd668
03 R e348fe1adac0249bd66c7a1d4bc27a7dd9a34f17f53cd529a49df7d0da68bec8
root f2e5be7827352ca5dd0f2f7d95b64b8e20377ff61cf46548d029075f54b0f756