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

DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - REGION IX Award a ₱3.7M contract to RC TOLLO SURVEYING SERVICESNational agencies

Transaction hash:

c2be0a2c23aecebff4e933029221dde5944c4e518a139ec82bf225f3bfd4695f

Status:

Included and unchanged

Block:

#1,434 4,579 blocks after it

Position in block:

Transaction 48 of 67

Award day:

Apr 20, 2012 (14 yrs 6 mo ago)

From:

DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - REGION IX

To:

RC TOLLO SURVEYING SERVICES

Value:

₱3,690,000.00

Project:

CADASTRAK SURVEY PROJECTS SURVEY IN ZAMBOANGA DEL NORTE, ZAMBOANGA SIBUGAY, ZAMBOANGA DEL SUR PROVINES

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - REGION IX

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 #1,434 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)
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES - REGION IX awarded it to RC TOLLO SURVEYING SERVICES on 2012-04-20.
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 c2be0a2c23…d4695fnow …
2. Block Merkle root changed
stored b44008ad5e…ad9cc6now …
3. Block #1434 hash changed
stored 36bce4473f…e33d14now …

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

leaf c2be0a2c23aecebff4e933029221dde5944c4e518a139ec82bf225f3bfd4695f
01 R c5a8288ae51c1d970f296ce00a8030ee594b052e7737df388d90f1f4b423054d
02 R 6d0692700e12b442b222a972387ebc287b1f705868edbb4a93c7cbdad8b19141
03 R 6693f4cd64729cb7592aba86aff87942dd2d09f0acaee3629913d023c925a2f9
04 R 7c51f6e093ce89f49b2321ccd86a20746f5e626e81dc1c96b2f32b9b7cfe1b8b
05 L 24bb384f68e3a23176f09e2d57c72699ddb12c3974d4b1b96172b3248a5355ba
06 L 0f7093412ef5c5782bc034c8d8e30e239dcffc4367e211876dee63a976988a64
07 R bef480433cff3b86cff24e27c7c24353bf56ebcd742bf20b0356364b88428ad2
root b44008ad5e8ec81314b029dc26918730a23fc929720551b0ec822ac781ad9cc6