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 ₱9.0M contract to SERRA TY CONSTRUCTIONNational agencies

Transaction hash:

089f3756152efdd9696dfbb15c2634743e1be52c32891a0181bf5d971e47ed2e

Status:

Included and unchanged

Block:

#1,101 4,912 blocks after it

Position in block:

Transaction 0 of 36

Award day:

Mar 22, 2011 (15 yrs 7 mo ago)

From:

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

To:

SERRA TY CONSTRUCTION

Value:

₱8,996,750.48

Project:

11NH 0002 Widening of SDCR, Balilahan Intersection, Brgy. Mabua, Tandag, Surigao del Sur

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 #1,101 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 - SURIGAO DEL SUR 1S awarded it to SERRA TY CONSTRUCTION on 2011-03-22.
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 089f375615…47ed2enow …
2. Block Merkle root changed
stored d39247c3a2…a21fe4now …
3. Block #1101 hash changed
stored 79300227e9…3555c2now …

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

leaf 089f3756152efdd9696dfbb15c2634743e1be52c32891a0181bf5d971e47ed2e
01 R 10bd2105fd53d7b02c03dd5f48d5d4379c088cc4f64b211724e5d4e0489cb19d
02 R dea9a66d90526084a49b600a29fbc9c99e8f41f70092e79aebc86ad6a89750c3
03 R 5383d1778658b48c274d748e5d4b50c3a031144907ed268326d1b4e7e1b95d8e
04 R c9510d3fa99d11a500ac62e7b08abf299470a3effbd599776f18382cf33be555
05 R e7fae90a0159e15112c18d3f0de2caadd63177957089b3b6ed3bbae32626dba1
06 R 150abcf7578f72da3ca0b3c8ec4f86ac9ec58d0198d395b5b4a299b7f8f3b615
root d39247c3a2c98ea45b1a8940c2918a448bda95fa90c48ca4e5e7aec738a21fe4