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 - PANGASINAN 3RD DEO Award a ₱497.5K contract to 2-R CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

bf15a57b2c4bd877e82f64a2b614ec9920f43da582d8aa433bac41ab4238ddbd

Status:

Included and unchanged

Block:

#1,765 4,248 blocks after it

Position in block:

Transaction 37 of 52

Award day:

May 28, 2013 (13 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD DEO

To:

2-R CONSTRUCTION & SUPPLY

Value:

₱497,516.40

Project:

Repair/Maint. (Thermoplastic Pavement Markings)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 3RD 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 #1,765 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 - PANGASINAN 3RD DEO awarded it to 2-R CONSTRUCTION & SUPPLY on 2013-05-28.
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 bf15a57b2c…38ddbdnow …
2. Block Merkle root changed
stored af0e6ca66c…8c9f0cnow …
3. Block #1765 hash changed
stored b33608bd96…e140fanow …

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

leaf bf15a57b2c4bd877e82f64a2b614ec9920f43da582d8aa433bac41ab4238ddbd
01 L bebf43c2ef6e9508361417c40a4b900a9c870d025b4b3e0c2812b8896882319b
02 R b560d600e8236e90fd51e6f42e5c9c0574616406a25eafae56c8955a7bf71041
03 L 45cd6ec5f970041e4058f8cf99339d226e157c1c848ffd76dec52e3b07a2262f
04 R cf43b1fb8206604c0deb42221d4114448f7e1225844ab12b46365a9d5a684893
05 R e28bd01e34ebc1bb092bca2f0e15ccca3580f30f48f129003e1b465a8af72d4c
06 L 5704c07b0a9139e85771c7d9a6fc4e3ba09862fb456faf374b6dd8f7af1b8d41
root af0e6ca66caebb2ab832b4b1971d2dc43a65be78f7b635c24ba7742e788c9f0c