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

ISABELA STATE UNIVERSITY - CAUAYAN CAMPUS Award a ₱585.8K contract to YZK BUILDERSNational agencies

Transaction hash:

f81e7ba009dad7d6d367f91e47441eb08b628f67a1243961dc51f6dc67b2ed4c

Status:

Included and unchanged

Block:

#5,106 907 blocks after it

Position in block:

Transaction 868 of 898

Award day:

Mar 28, 2023 (3 yrs 7 mo ago)

From:

ISABELA STATE UNIVERSITY - CAUAYAN CAMPUS

To:

YZK BUILDERS

Value:

₱585,820.87

Project:

REPAIR AT HOSTEL BUILDING

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

ISABELA STATE UNIVERSITY - CAUAYAN CAMPUS

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 #5,106 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)
ISABELA STATE UNIVERSITY - CAUAYAN CAMPUS awarded it to YZK BUILDERS on 2023-03-28.
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 f81e7ba009…b2ed4cnow …
2. Block Merkle root changed
stored d05ebd1e93…a306f8now …
3. Block #5106 hash changed
stored 02b195fdf1…a2ff1anow …

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

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 897 records. Each step hashes the current value together with the sibling shown.

leaf f81e7ba009dad7d6d367f91e47441eb08b628f67a1243961dc51f6dc67b2ed4c
01 R f8385d0dbec37cbb7586dd26db49c38fbaedd50350846d3db88163eb9b346bed
02 R cacb4d0b968a889f5793ee8c5a9a24558b79b09158ce08126c38de39654bc632
03 L 33c420fe5cce336a21c0f2edeb032731d46372a79f207417a909a93dc5964444
04 R 2f2a8e1d19834b42cd69d4a9e1542d95317d16a4cf662cea5a02cb6d39e265e9
05 R 7a6c878b3741c577b53be420feaf9754252a43f17d513eb1a69e56933382d55e
06 L 6fd6d63d03776698e4cde998cd257f9864485061d061945c5bfc30ee5e3ce386
07 L bbb71e4446ca10cde055d79da4c7b15d9be60c794ad70e4685180b07d5b7796d
08 R 9c2f0734eb42147a4226f6e653765fd86e318f4164a717653c8239336fc6dd69
09 L 7a07c63f400bbb8ceb2606fe55de386aeb337807288b7431bf0f48950f759b52
10 L 95b2682fca084295389d11e2250fe894b51715c879a7fb1b03c0ae6101e966cb
root d05ebd1e936a60babe56adc471ae32d76a404f0f8148543196289826f4a306f8