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

NORTHWEST SAMAR STATE UNIVERSITY Award a ₱919.2K contract to R.V. CONSTRUCTIONNational agencies

Transaction hash:

415cb49bd7969dec0eb57a3e00ab16db5d23fb5895476a39084bec88f891096b

Status:

Included and unchanged

Block:

#4,839 1,174 blocks after it

Position in block:

Transaction 67 of 281

Award day:

Jun 27, 2022 (4 yrs 4 mo ago)

From:

NORTHWEST SAMAR STATE UNIVERSITY

To:

R.V. CONSTRUCTION

Value:

₱919,188.00

Project:

Construction of University Firing Range(206)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NORTHWEST SAMAR STATE UNIVERSITY

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 #4,839 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)
NORTHWEST SAMAR STATE UNIVERSITY awarded it to R.V. CONSTRUCTION on 2022-06-27.
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 415cb49bd7…91096bnow …
2. Block Merkle root changed
stored d8ba9ca782…42cce7now …
3. Block #4839 hash changed
stored 629372400c…4dd923now …

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

leaf 415cb49bd7969dec0eb57a3e00ab16db5d23fb5895476a39084bec88f891096b
01 L 3ff71d7cc0b9bea07d933713336ea314c1ff1b3b99f23a231b358b64b4cfef11
02 L 95928f2388d9b3d187878326aa0495284bf7553d59f5c211b2f987b229cc1758
03 R 7e2a40fa2c30bea7e8017d72e6d335917cec409b2ce97df5e910ed2cac844a4f
04 R cc4d793e6961297f823e2956cc97f08275fa37c6664ce162572250069078aecd
05 R 0dcf1cb14dfcff8e56acfb02638611c88e0553caaa3fa81e04ce1dfc39717b7a
06 R 519004ab086c74d8e33732ab9982ef5deeb3accae2b7d659090cc1563826cee4
07 L 1ef61ad76951b891b895fd560ffafe624dbe4b1c197a8d6f9dc2c487934db430
08 R 430866b2f9a5b61d92d8b7d48d41c52ba17adfd7de04a37eebaf44edb1b2bd68
09 R e9465f8649f224e734401bf5d1e8a1b7a6e3cb085504f7a5e069ce8e23bd5853
root d8ba9ca782a8bf48b0b336c7bbfb2a1de528929599609e82a51d23246042cce7