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 PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO Award a ₱18.9M contract to ROLCO CONSTRUCTION AND DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

4e825a2de3627feb6284cd88329e1ba407cd3efc1e10907c554db363368fd291

Status:

Included and unchanged

Block:

#1,220 4,793 blocks after it

Position in block:

Transaction 9 of 35

Award day:

Aug 18, 2011 (15 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

To:

ROLCO CONSTRUCTION AND DEVELOPMENT CORPORATION

Value:

₱18,908,606.97

Project:

Cluster 8 Conc./Impvt. Of Road, Brgy Rizal-Brgy. Victory Rd., Legaspi City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

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 #1,220 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 PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO awarded it to ROLCO CONSTRUCTION AND DEVELOPMENT CORPORATION on 2011-08-18.
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 4e825a2de3…8fd291now …
2. Block Merkle root changed
stored 59e21ff8fc…50be5cnow …
3. Block #1220 hash changed
stored 242af75018…607febnow …

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

leaf 4e825a2de3627feb6284cd88329e1ba407cd3efc1e10907c554db363368fd291
01 L 3ce470c303dda392bb2bbd7c05d7e4f0750e98bd329ee0037f9b5e779c7cd1ee
02 R 1165200ca3fc019a4f1beacdef329fa63bfdcdbfa287dcd29e29119f1367dd56
03 R 5cd1e56a9be186d7777dc66aae8fcb35569c3b5912bfa14d36e2b9f0eaefec98
04 L a669b234be742c9a455465431c6934848e34ff24d033c7b7976484e432542a50
05 R 5db48ec8b03130138608fe736258e321bfd958b58930951330c53ff04adf53e8
06 R ef24aee76518962a48d2beb79528d3235d4146781064017b17f4e408bfb01b56
root 59e21ff8fcf37cb3c33d541d18d351295e957edb81e9bf60339636164650be5c