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

CIVIL AVIATION AUTHORITY OF THE PHILIPPINES Award a ₱6.9M contract to VILLARAM BUILDERSNational agencies

Transaction hash:

7fcd66fdffc5aa6e8763205f8527646b085d7db3e13a73ce63b58f75f865c62e

Status:

Included and unchanged

Block:

#3,071 2,942 blocks after it

Position in block:

Transaction 140 of 259

Award day:

May 9, 2017 (9 yrs 6 mo ago)

From:

CIVIL AVIATION AUTHORITY OF THE PHILIPPINES

To:

VILLARAM BUILDERS

Value:

₱6,851,939.42

Project:

17-007-02 REPAIR AND REPAINTING OF OTHER BUILDING

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

CIVIL AVIATION AUTHORITY 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 #3,071 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)
CIVIL AVIATION AUTHORITY OF THE PHILIPPINES awarded it to VILLARAM BUILDERS on 2017-05-09.
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 7fcd66fdff…65c62enow …
2. Block Merkle root changed
stored 6a08819d88…989c90now …
3. Block #3071 hash changed
stored d9376da553…5f83b6now …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 258 records. Each step hashes the current value together with the sibling shown.

leaf 7fcd66fdffc5aa6e8763205f8527646b085d7db3e13a73ce63b58f75f865c62e
01 R 80ad954662f8d391ca5bab62a2626036105239e0f507a6606ba8c56f1fe949eb
02 R e2d868525230a0eba40ca37d7c48b755929d1bd59df632f5845ca020bf84a0a0
03 L 7331accb1756d35311f2e6e52b418ed274a2a4307ad292ff476e9f1fb2b659d8
04 L 00253edd50c6aaa2260c443566689fd6af762217fa8230f60496a8d9b24bc753
05 R 700bafee2220868c90f9781354c8a3dbdfb49fbdc8782a91bedc8bb774b886ff
06 R 421c4b4f1a3405335b97951ddf7210b839430d4fed4132ea5206a1f6b13a62d7
07 R c0b72192a6f7469df3c29dd633325c368970a228c90e7327c1a3faaae6c414ad
08 L 58e188b5533bf6daebcd4796a98ed5df4b2135ac4596c873ec53fd1534054cc7
09 R cf378819edf3f21fe06d4cef8027df151d6d88bbff2f5efccf2dcc11036666c8
root 6a08819d8881ab9e01f95a628942dcf9ab544b2d57019c87b7b81bf8ea989c90