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

NEGROS ORIENTAL STATE UNIVERSITY Award a ₱2.2M contract to VIRLO CONSTRUCTIONNational agencies

Transaction hash:

4550dea9bd411a6d5f72b00a0b29c7531aca24e1566b8634405ccbaefede8f9e

Status:

Included and unchanged

Block:

#1,910 4,103 blocks after it

Position in block:

Transaction 29 of 101

Award day:

Nov 7, 2013 (13 yrs ago)

From:

NEGROS ORIENTAL STATE UNIVERSITY

To:

VIRLO CONSTRUCTION

Value:

₱2,195,500.00

Project:

civil works

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

NEGROS ORIENTAL 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 #1,910 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)
NEGROS ORIENTAL STATE UNIVERSITY awarded it to VIRLO CONSTRUCTION on 2013-11-07.
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 4550dea9bd…de8f9enow …
2. Block Merkle root changed
stored 1cab9bf024…63b20enow …
3. Block #1910 hash changed
stored 861b01e5b0…47b817now …

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

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 100 records. Each step hashes the current value together with the sibling shown.

leaf 4550dea9bd411a6d5f72b00a0b29c7531aca24e1566b8634405ccbaefede8f9e
01 L 44e0a743e1929531ed1fb04fc46665e8cb63d5b5da57fdb0357aa58f8015950c
02 R 563b9ea4f366b3996401d3432ea03b23b315ea7114fc602ceaf5ffc5dd4ef324
03 L 4709ab9c3ae3bf2c82e0b2c55db6a5a157a7d17842512497775fbb8924a31052
04 L abb8fbaf28c7026f52116643a932d5b014076d1c32e2b62c1be11196edf6deb3
05 L 9344de1eb5881fad51601b9846a647dcb8e9300eabb611d370ade53a47582dc8
06 R 0057c6799d88e407fa7392f26de5c9b487c8f025e9c7a568d434e8d5ddca4901
07 R 18754ca8f35f7eb84bf91561420a5659fb539f4fe8d5617c1d7771e596a52bff
root 1cab9bf02406664a83f2a336ea4f83ca0a0d0e22b51b5a19fe8904d1a563b20e