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 - PALAWAN 2ND DEO Award a ₱2.1M contract to J.N. DELA TORRE CONSTRUCTIONNational agencies

Transaction hash:

f83eb01577df301522eb3393a5239f1506296d39a56f1762e059e801cbe4c259

Status:

Included and unchanged

Block:

#1,544 4,469 blocks after it

Position in block:

Transaction 82 of 86

Award day:

Aug 29, 2012 (14 yrs 2 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PALAWAN 2ND DEO

To:

J.N. DELA TORRE CONSTRUCTION

Value:

₱2,087,661.89

Project:

Cluster I – (3 projects), Construction of School Building, 1. Canipaan National High School, 2. Sarimog Elementary School, 3. Campung Ulay Elementary School

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PALAWAN 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 #1,544 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 - PALAWAN 2ND DEO awarded it to J.N. DELA TORRE CONSTRUCTION on 2012-08-29.
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 f83eb01577…e4c259now …
2. Block Merkle root changed
stored 5164ba3091…95410anow …
3. Block #1544 hash changed
stored 38d5ad3294…4ca4ffnow …

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

leaf f83eb01577df301522eb3393a5239f1506296d39a56f1762e059e801cbe4c259
01 R f9855ea4e2122dcb3954f7b797d998c51c747f46d21fe50125fec64b48ee0d57
02 L 6a4a39f8cc409fb5b8878417a2c242ea914357b183f46c7917b253a005ca8a6a
03 R 260953c5d26c9a7f2a2fd46db55b2b6be75c5152e66261cbe7f4805ff40b4a57
04 R 3c6a204848e540e7abebe80436b5e97477f6642eff2f8b252a1940739ab14b16
05 L 82b7f6d5db1c70db4497119e86274e6718876077a975ddfd04a68bea0d5d335e
06 R 068603b1fde98d6afe4c72a5875aa72e159db1142d72ac5361469da10dc07922
07 L 251a2da50b45a0f31c9cc8a2b65cd33c2d2de232e6d3828945a2047da2f11373
root 5164ba309153647fb76557cd5a3071a5f73b373be0c22ddd017a31b3a595410a