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 & HIGHWAYS - DAVAO DEL SUR 1ST DE Award a ₱981.9K contract to MNG BUILDERS & DEVELOPMENT CORPORATIONNational agencies

Transaction hash:

1a3bafac2e7cbc31c5d033e49a9b00cd139bd18ffaf4b1e428d224fb2ee91e6a

Status:

Included and unchanged

Block:

#1,026 4,987 blocks after it

Position in block:

Transaction 1 of 29

Award day:

Dec 14, 2010 (15 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 1ST DE

To:

MNG BUILDERS & DEVELOPMENT CORPORATION

Value:

₱981,865.05

Project:

Construction of Multi-Purpose Building at Brgy. Rizal, Sta. Cruz, Davao del Sur

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - DAVAO DEL SUR 1ST DE

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 #1,026 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 & HIGHWAYS - DAVAO DEL SUR 1ST DE awarded it to MNG BUILDERS & DEVELOPMENT CORPORATION on 2010-12-14.
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 1a3bafac2e…e91e6anow …
2. Block Merkle root changed
stored 544131ff6b…eb9351now …
3. Block #1026 hash changed
stored 70182434ce…5d34banow …

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

leaf 1a3bafac2e7cbc31c5d033e49a9b00cd139bd18ffaf4b1e428d224fb2ee91e6a
01 L 17e064990808f64bc8b45ce9aa1bb2a704638d74f99742d00e2a679186e3e84e
02 R 168f670f9429063b5f530130dbe97df687238d08b21b47488a6f50a5e0937c12
03 R 26503fbe61eb6a1a98abe4f54d464121408c2a0c1a97decb61af94511a4f627a
04 R a30435e2606ff35d8f1d883474db2501d07931dc1463afb4d707c000e7c0d70c
05 R 46772317968cd7ed7d4b664f0d8fba6a0c0367c43acaee13dace5dab86666b82
root 544131ff6bd7c4266622c2a1f6f7612e989eb4af8af2413e51995e5482eb9351