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 - QCFED Award a ₱1.9M contract to VANMARVIL CONSTRUCTIONNational agencies

Transaction hash:

56bd135ae05481d30c191485210e547e8be508958324c28adc0689f50a9de14b

Status:

Included and unchanged

Block:

#636 5,377 blocks after it

Position in block:

Transaction 16 of 50

Award day:

Jul 7, 2009 (17 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QCFED

To:

VANMARVIL CONSTRUCTION

Value:

₱1,908,686.67

Project:

Rehabilitation of Andrew Street and Metro Avenue Brgy.Culiat, Q.C.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QCFED

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 #636 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 - QCFED awarded it to VANMARVIL CONSTRUCTION on 2009-07-07.
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 56bd135ae0…9de14bnow …
2. Block Merkle root changed
stored 061e289c5f…8ea808now …
3. Block #636 hash changed
stored cdb54a41af…48a048now …

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

leaf 56bd135ae05481d30c191485210e547e8be508958324c28adc0689f50a9de14b
01 R 609a8f3653a34e56c1026ed70d2eb38df700ddb80b4ed62308ddb892c9dcc4d3
02 R 3ad248a12b6f6004a5163d232c3d3bbfc9ea96108d79e4a7b58b751a4333e45d
03 R 0222bfb5f0e4b44c43f9af391250019cca1ae473bd5dbfda122a3ef3522ec6df
04 R 1b8299bd76381d8bd9a4eaf89eb93582c16b97416fb7dc72e1e326f17dc7e2b9
05 L abaa3081500223dd7a7e2425da18e99894b2a5dac5407826a3182119518f8a52
06 R 956167fed6358d839f42defe2ccc7d875d27a5ac995098297896980ea7917904
root 061e289c5fdde77a388079cc3b536e476f06a0f2cc95b1153dc873e7298ea808