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 ₱547.4K contract to MG & AM CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

98ff8a1fba7e0585a4d8f532d8c02591d5f3a8e1c04bf03609ba334fc17bea9d

Status:

Included and unchanged

Block:

#1,082 4,931 blocks after it

Position in block:

Transaction 20 of 27

Award day:

Feb 25, 2011 (15 yrs 8 mo ago)

From:

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

To:

MG & AM CONSTRUCTION & SUPPLY

Value:

₱547,400.00

Project:

11G-0001 Supply & delivery of Sand & Gravel for use in the Regravelling of Unpaved Shoulder at Magasang-Madrid Section along Surigao-Davao Coastal Rd. (SDCR), Km. 1233+000 to Km. 1248+000 (w/exception

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 #1,082 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 MG & AM CONSTRUCTION & SUPPLY on 2011-02-25.
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 98ff8a1fba…7bea9dnow …
2. Block Merkle root changed
stored 01634d3f5e…df3ea7now …
3. Block #1082 hash changed
stored 05d5ec8a00…514bddnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (5 steps)

How this one record is tied to the block's Merkle root, without needing the other 26 records. Each step hashes the current value together with the sibling shown.

leaf 98ff8a1fba7e0585a4d8f532d8c02591d5f3a8e1c04bf03609ba334fc17bea9d
01 R a1a5f3fb1f3cc581dc8925cd9d7388edb167b0c4482b1b990e330e2c87561abd
02 R 70d4fe2c2f8fa1aae38b0598e0c022b5056b917635057b6ea9ee2a06239aede8
03 L da018987a6b2e9f6ff0887d8ce804c2f33a4a84d3fc4b28298fbf78ebb772a3f
04 R dc22af21ef1b1774e2e64077b7d63f18994c994b24a3cd2767b5623b79c95bde
05 L 1114141d63eace2a27d8b2bf736b97aa96b0736ab8ec4c8bd8baeeefeebf5249
root 01634d3f5eace5434be80f49bb47c8dac6f64a6f4900a610c460578becdf3ea7