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

LAND BANK OF THE PHILIPPINES Award a ₱245.3K contract to AZTEK CONSTRUCTION FIRMNational agencies

Transaction hash:

bb96813a67ca014fa9ffb2d411de0fe46b3b18d832ac657897c0a337b3bb67dc

Status:

Included and unchanged

Block:

#729 5,284 blocks after it

Position in block:

Transaction 22 of 35

Award day:

Nov 9, 2009 (17 yrs ago)

From:

LAND BANK OF THE PHILIPPINES

To:

AZTEK CONSTRUCTION FIRM

Value:

₱245,307.00

Project:

ONE LOT RENOVATION OF LANDBANK DOTC BRANCH

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

LAND BANK OF THE PHILIPPINES

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 #729 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)
LAND BANK OF THE PHILIPPINES awarded it to AZTEK CONSTRUCTION FIRM on 2009-11-09.
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 bb96813a67…bb67dcnow …
2. Block Merkle root changed
stored ab97eb9b34…745f4anow …
3. Block #729 hash changed
stored f4ce1d4c2b…81d503now …

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

leaf bb96813a67ca014fa9ffb2d411de0fe46b3b18d832ac657897c0a337b3bb67dc
01 R c441a800713fc54f1a74a19afe86e6521fe7014191dae44f1a4ed63c5b1df70a
02 L 2539bc07bf7a10d8a511356394d51dd0d8979e5bcb9f9c1abb02dee8aee20744
03 L d8ad2a768d8ff34cad452e169934e7adedbe5597036bbed98643708044480a2b
04 R 36ef0e746c08d8e7feb3d3db0fc72aa3372b77b31f3a3fb02515d8fcb5425a15
05 L ebfe0f29c655ca224964fecfb7f9f9bbbd0210e5e65aaf28eb2f1a43836db228
06 R 30b80e945d7bef7d7ed92d578a2e005aaa0c52db9c8ef92f7a7136863ca94bb4
root ab97eb9b34e34b4c0e6af99cdd6b5e90874b09c85f19c58d6d5f6eb2b8745f4a