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 -CAMARINES SUR 1ST D Award a ₱31.8M contract to E. GARCIA CONSTRUCTIONNational agencies

Transaction hash:

a3b3a67ff0b26fa8f6de6a280d9fa3bb268b9572acf8abaa30245a24d1e31300

Status:

Included and unchanged

Block:

#2,099 3,914 blocks after it

Position in block:

Transaction 65 of 106

Award day:

Jun 11, 2014 (12 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS -CAMARINES SUR 1ST D

To:

E. GARCIA CONSTRUCTION

Value:

₱31,838,357.50

Project:

Widening along Daang Maharlika, Cam. Sur 2nd LD

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS -CAMARINES SUR 1ST D

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 #2,099 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 -CAMARINES SUR 1ST D awarded it to E. GARCIA CONSTRUCTION on 2014-06-11.
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 a3b3a67ff0…e31300now …
2. Block Merkle root changed
stored 852ef197ad…faf19anow …
3. Block #2099 hash changed
stored 4abd5853be…d5bac2now …

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

leaf a3b3a67ff0b26fa8f6de6a280d9fa3bb268b9572acf8abaa30245a24d1e31300
01 L a2dc820cb2b00549a331f8530619fe26ba62dff99a5166dc1bd1419804da812d
02 R 87e43ec2db95ab37b696cee4b963172aea55c31b45c2e4f7e8c25abb6e6d0eb8
03 R 849aeba2cedcb50a2080cd9a3fda91cfeebbca97b5accdd45dd7fd30ebea1ca4
04 R a792e58a8bd4bdd10b69b2d0c5853774dfbc0aaf5ed13bb254a7af6826e66f59
05 R 3c1064fb167bc26f97d9261dd82707c13600d3c759d994df3cb88014cc33a46d
06 R 4fa5540113e539486ec2ea8dc24a09b990c9b325df5fb32c6b2f3825b373ac9e
07 L c579d37ce506d96da6ed44b620fc4864ad434167394936dfdbaf24f107ba0696
root 852ef197adbadb72b0a547f71096a8fc53d0856a7e3e23b5988a2db6d9faf19a