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

SOCIAL SECURITY SYSTEM Award a ₱2.3M contract to TAPNIO AND TAN CONSTRUCTION AND DEVELOPMENT CORP.National agencies

Transaction hash:

cd0eaef983f5f484739d46a90daa7a6e83fb8c24c282692dfbd79d2004858f45

Status:

Included and unchanged

Block:

#991 5,022 blocks after it

Position in block:

Transaction 40 of 49

Award day:

Oct 28, 2010 (16 yrs ago)

From:

SOCIAL SECURITY SYSTEM

To:

TAPNIO AND TAN CONSTRUCTION AND DEVELOPMENT CORP.

Value:

₱2,343,821.80

Project:

RENOVATION OF INTERNAL AUDIT SERVICES AT SSS MAIN BUILDING

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

SOCIAL SECURITY SYSTEM

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 #991 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)
SOCIAL SECURITY SYSTEM awarded it to TAPNIO AND TAN CONSTRUCTION AND DEVELOPMENT CORP. on 2010-10-28.
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 cd0eaef983…858f45now …
2. Block Merkle root changed
stored 80418ad615…3ef4f9now …
3. Block #991 hash changed
stored b68a656808…87bc8enow …

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

leaf cd0eaef983f5f484739d46a90daa7a6e83fb8c24c282692dfbd79d2004858f45
01 R cf86e99526dd948773a61a54073d0e8e6c685fe8cd37ed333860e1b82ff4095e
02 R 44d4ff882b7123d879520d7af172e7a0f7d3fcde3bc88c0e7dca36e74b7079ed
03 R 2e718c6e9402ccd117a9e0df2ac8190eea30d115ff3379fb41f2029f7d05ae84
04 L 1359c14b6a3b22bf6296513f70c1dae74a94f2b93f0b370ae6ab024f59a110e3
05 R 06d7c03d8b9b2cf571051339d784f04fc1fcf0b4f4d9efa74cc9936a4e4028d4
06 L 351e50c9f187e2782d0f39cfea9c76bb9728c1b2ac45c63b4236e96c770926da
root 80418ad6151e6f7d5ee0b328dc051ede790a51610d7cfe691bfc7c53303ef4f9