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 - EASTERN SAMAR DEO Award a ₱3.0M contract to ARYANESA CONSTRUCTION & ENTERPRISESNational agencies

Transaction hash:

1bdbaf54e0af2d0bdc168a76dd0bdbd3f1e0ac1c8063d508195f70d62b02fa9a

Status:

Included and unchanged

Block:

#1,499 4,514 blocks after it

Position in block:

Transaction 3 of 66

Award day:

Jul 5, 2012 (14 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - EASTERN SAMAR DEO

To:

ARYANESA CONSTRUCTION & ENTERPRISES

Value:

₱2,960,569.35

Project:

12IB0073 - Const. of Bgry. Pangpang (Poblacion) Sitio Libas FMR, San Policarpo Eastern Samar

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - EASTERN SAMAR 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 #1,499 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 - EASTERN SAMAR DEO awarded it to ARYANESA CONSTRUCTION & ENTERPRISES on 2012-07-05.
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 1bdbaf54e0…02fa9anow …
2. Block Merkle root changed
stored cff3c45bbb…b2db5dnow …
3. Block #1499 hash changed
stored df724b18bb…c0c9benow …

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

leaf 1bdbaf54e0af2d0bdc168a76dd0bdbd3f1e0ac1c8063d508195f70d62b02fa9a
01 L 17d387d349e4799b259f7e306dcfce1145be63aed48fdb2981c2b37050c6940a
02 L c01c7ee6009c8ca4b82cd337d61c94ad88754ef1e9510860bb1455bbc5bba36d
03 R 272884b243386d52a0ec9ebd95c2c7c1e226282c9bb7e03eac3159ace0a98fb1
04 R fcafdf43ed21e794737bbd18eac5be0fbf5f5b3074d358a8d20f74f993d7a9ee
05 R 3b619dc56d9ab4b89fe00a99303a72694c7a90537c172bbfa4de94f543b3e06a
06 R 084ab94fd624fc6d056d9d0f6b6a4a33ec438253b13382d62805a6e0200cc64e
07 R 9dfba8fd1bc3e492fda45aecc451003af3f9185b4be288c443eb2dc3d604dad9
root cff3c45bbbba907f5bbc0e5fc77b6dbc052d835c6b438c830cc0699c6bb2db5d