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

SOUTHERN TAGALOG INTEGRATED AGRICULTURAL RESEARCH CENTER Award a ₱1.6M contract to ROMAL CONSTRUCTIONNational agencies

Transaction hash:

4da0a39fd831c1947ea96c078d8ef2682663df54f459b33631f06db2c92b430c

Status:

Included and unchanged

Block:

#1,612 4,401 blocks after it

Position in block:

Transaction 18 of 51

Award day:

Nov 15, 2012 (13 yrs 11 mo ago)

From:

SOUTHERN TAGALOG INTEGRATED AGRICULTURAL RESEARCH CENTER

To:

ROMAL CONSTRUCTION

Value:

₱1,635,821.16

Project:

Invitation to Bid for the Rehabilitation of the DA4A- Regional Hemorrhagic Septicemia Reconstitution Laboratory

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

SOUTHERN TAGALOG INTEGRATED AGRICULTURAL RESEARCH CENTER

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 #1,612 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)
SOUTHERN TAGALOG INTEGRATED AGRICULTURAL RESEARCH CENTER awarded it to ROMAL CONSTRUCTION on 2012-11-15.
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 4da0a39fd8…2b430cnow …
2. Block Merkle root changed
stored 3d964b7904…f9216bnow …
3. Block #1612 hash changed
stored 6fda993976…b0d70enow …

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

leaf 4da0a39fd831c1947ea96c078d8ef2682663df54f459b33631f06db2c92b430c
01 R 4eedd5e8653facd380da98045386ae856d26f3b3551ff7f4a52fdfa1c9dcfefa
02 L 79453d253e66d236af98de9fe00ab2faf9afa3fd504b2965afba7b869e2217a1
03 R 67fe8d3045b04206074a522ed4b8c7def18c4deb35d8161f4832148277e56814
04 R 4b4a3009a5c6c7c61959f0133db659d26c566457c37997496f13491892cf9795
05 L 852fc7a86ae37c123be4865352aa0d4a2edef0c09dbe11c56edb46ad410bf874
06 R d832fc8f43d1f955a01a01fe6555ca2c3c102061182a108de682d5b690fe5f85
root 3d964b79042299ab8cc306d945e1345f304cb81c508cab99f26ccdbf3df9216b