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 - PALAWAN 2ND DEO Award a ₱1.8M contract to J.N. DELA TORRE CONSTRUCTIONNational agencies

Transaction hash:

d1bc2f5fee35a71f93a1e479eb761b50a21e3803705135148e0809fb9f707333

Status:

Included and unchanged

Block:

#1,197 4,816 blocks after it

Position in block:

Transaction 38 of 44

Award day:

Jul 20, 2011 (15 yrs 3 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - PALAWAN 2ND DEO

To:

J.N. DELA TORRE CONSTRUCTION

Value:

₱1,848,836.00

Project:

Construction of Multi-purpose Building, Bgy. Poblacion I, Balabac, Palawan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - PALAWAN 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 #1,197 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 - PALAWAN 2ND DEO awarded it to J.N. DELA TORRE CONSTRUCTION on 2011-07-20.
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 d1bc2f5fee…707333now …
2. Block Merkle root changed
stored 754dba848f…70dfc2now …
3. Block #1197 hash changed
stored da21251f3a…f46986now …

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

leaf d1bc2f5fee35a71f93a1e479eb761b50a21e3803705135148e0809fb9f707333
01 R e29623a07a0e51d5bb44e79252aa972265a9a3177486b34eeae4ef70bdaf27c2
02 L b0f35616f6cdbfff265023961153c130db0886bfa05a1b0498b07efd0c2db8c9
03 L 2a8de0a5bd3893104995cbca0e9cda32d3c48dc9b9d18685f45b2f4f107874f9
04 R 0825159404108cbfcfae7c456b4b8cdf86fea8430ad58dbeab20704db08c8800
05 R 2147477c1b345b97260f1c335f18f0c03d6a6ca310bb4081bbb02eff6a8e206d
06 L 694e4637b70e61e6c985266dc2bdc2acf39911f7f27f20c80e931926c54b2d50
root 754dba848f04f960d9b73d5db0d1059a07d4ac13f39905e3b3ca021dfe70dfc2