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 - QUEZON 2ND ED Award a ₱42.1M contract to TANTUCO CONSTRUCTION & TRADING CORPORATIONNational agencies

Transaction hash:

0c8653a65aa28d8fb3fa0ab19d3d553a0550e77f09de87eb157b4531b9ca3b54

Status:

Included and unchanged

Block:

#2,008 4,005 blocks after it

Position in block:

Transaction 6 of 94

Award day:

Feb 25, 2014 (12 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

To:

TANTUCO CONSTRUCTION & TRADING CORPORATION

Value:

₱42,130,891.38

Project:

13dj0157

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 2ND ED

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 #2,008 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 - QUEZON 2ND ED awarded it to TANTUCO CONSTRUCTION & TRADING CORPORATION on 2014-02-25.
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 0c8653a65a…ca3b54now …
2. Block Merkle root changed
stored 21c6adc0b4…2317bcnow …
3. Block #2008 hash changed
stored e4ce105d44…9287cenow …

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

leaf 0c8653a65aa28d8fb3fa0ab19d3d553a0550e77f09de87eb157b4531b9ca3b54
01 R 109c92f0dfb801e05403e2110ac3d8f4de09b54b5de6658fc1be62dc6c5340c9
02 L 5842a4bb79ea81f231a97ccaf24e8acedf2a3fb9f0dd771c92870acd2b099c31
03 L 331bc69f26f04d937fff986dd908dad6acfb34cacd68b401102af7ecf0a6cb94
04 R 2b6345584a54cb102a0f072369d1f2f320c783f299bc1ce9c161dc84d82b7961
05 R f56a905b06c374a092de725275fdc582e1d5242d247c68429a0ee34caed635fa
06 R d806865d05143832b299fc4477a58854c2eca3aaa28183184719fbaf6962f35f
07 R a2e7e835cf298e22d43e800f400aa3833c3765199d9953b73be653faac48d8a2
root 21c6adc0b469fe79c50ded6dc53d4d7f945af8f5f97be2df74cf9c104b2317bc