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 - ISABELA 2ND DEO Award a ₱6.4M contract to RRC CONSTRUCTIONNational agencies

Transaction hash:

97c5d4f0c8b7954641a149fd3c3c6cc55ec50a5c5150dbe76cb29f07660e6cb8

Status:

Included and unchanged

Block:

#4,099 1,914 blocks after it

Position in block:

Transaction 44 of 69

Award day:

May 7, 2020 (6 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 2ND DEO

To:

RRC CONSTRUCTION

Value:

₱6,352,851.64

Project:

19BF0133

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ISABELA 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 #4,099 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 - ISABELA 2ND DEO awarded it to RRC CONSTRUCTION on 2020-05-07.
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 97c5d4f0c8…0e6cb8now …
2. Block Merkle root changed
stored eb58f8bfdb…ed5da4now …
3. Block #4099 hash changed
stored 3d291eb7ee…e73d20now …

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

leaf 97c5d4f0c8b7954641a149fd3c3c6cc55ec50a5c5150dbe76cb29f07660e6cb8
01 R 9f1c8cdb18dff07fa2d9858bf2fec587b187e08fae720b8d6d43da41dcfde7c1
02 R 7c6a44e830fd88726c3921ca467a26228a22519648200090c12ba854793563c2
03 L e7520ba42c8341a908179142e32693ab6d50e58f8f8ebf38fff046d85aeb9e16
04 L 1808e8b6801097fdb8206943ce0e8458bb1bd2dc3122f987f659faed4f585de2
05 R d180219fac57d13cafd0af7e1d625cb22dff9495fc3cccc2fb4b3f7ac5799d4d
06 L bc93f70f5774524a0fa455db1d299bc2055b8d624278185b1f1ed6f9388c4ef4
07 R 05150da5dacb201336ff226da326a1d32bc8347d765b503cf99a91ee35636fee
root eb58f8bfdb31b0d5ab06ed387bd04ad9801b0d70719a9247d7f1a3c19ded5da4