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 - SURIGAO DEL SUR 1S Award a ₱4.0M contract to MELROSHEAN CONSTRUCTION CORPORATIONNational agencies

Transaction hash:

d79bfc26ed52e64fdc09837b65f590a1ca4085908f2e8dfbc02e6c35810fdbba

Status:

Included and unchanged

Block:

#4,263 1,750 blocks after it

Position in block:

Transaction 63 of 81

Award day:

Oct 27, 2020 (6 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

To:

MELROSHEAN CONSTRUCTION CORPORATION

Value:

₱3,951,626.75

Project:

20NH0066

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - SURIGAO DEL SUR 1S

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 #4,263 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)
DPWH lists the funding source as "Regular Infra - GAA 2020 LP", i.e. the FY2020 GAA. The exact UACS line is not given.
Partly
Open
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 - SURIGAO DEL SUR 1S awarded it to MELROSHEAN CONSTRUCTION CORPORATION on 2020-10-27.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 20NH0066: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2021-06-24). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 d79bfc26ed…0fdbbanow …
2. Block Merkle root changed
stored d6ca143c77…cee845now …
3. Block #4263 hash changed
stored b435819c82…19e9d9now …

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

leaf d79bfc26ed52e64fdc09837b65f590a1ca4085908f2e8dfbc02e6c35810fdbba
01 L d1c3a6e085965de9b5aa7bfe4c6d646a7c9d600c3182bd55733bfd9d2bd515ce
02 L 13b3982d6e884335787f76551adb7a7afc380fd0651f6b79775ace0ec903ac00
03 L 3f88b27ef85b334ee40980f75e79e80af6d69098abaa2cf8a7986937b612f1de
04 L ceb4d3161bad0d0edbe8d10b5b92b68edadfa482ae985a7ae55feff20be6bb33
05 L d0e550a0eaff22cf631cb3e9c26470657502c00436d983e99e9b062091809fd3
06 L 59508cdee19ba40f7ade3470e3952f1ebb985d4f99659b1876654c7726d03fb0
07 R af964a478d9909156fd96b79a792d7d8dd1cf9dce6800ac886165c965bd00a42
root d6ca143c77dbf3c8503e501c1ce4cc1a996448c8da5f4f48313b9287e3cee845