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 - 5TH LEYTE ED Award a ₱285.2K contract to COLLERA CONSTRUCTIONNational agencies

Transaction hash:

de41093658bbff4ce04895c41471c8b7769f4c223bd5c924e081459e3869a5df

Status:

Included and unchanged

Block:

#1,108 4,905 blocks after it

Position in block:

Transaction 52 of 59

Award day:

Mar 30, 2011 (15 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - 5TH LEYTE ED

To:

COLLERA CONSTRUCTION

Value:

₱285,235.00

Project:

Completion of Multi-Purpose Building, Brgy. Tag-os, Matalom, Leyte

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - 5TH LEYTE ED

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 #1,108 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 - 5TH LEYTE ED awarded it to COLLERA CONSTRUCTION on 2011-03-30.
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 de41093658…69a5dfnow …
2. Block Merkle root changed
stored d38c5a451d…628fc5now …
3. Block #1108 hash changed
stored de9bbef743…834350now …

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

leaf de41093658bbff4ce04895c41471c8b7769f4c223bd5c924e081459e3869a5df
01 R df8c8d73ef1dd6b2c0a642eb7a279fb83c3c77f0432f6c9df2409477155ac996
02 R c7dd4dcb20d5b05ce774fbe6b1f3235968fcbb3361c675e0450a5593dc3e2a6c
03 L 658f15cfac730136740876bebf1566a99588d0b3c3e59995cb5c7adb713da4c0
04 R 91d6f72de813fbf6f6f090522c4d7656bc2c6a73c11ddb5ca1b1360f2de80feb
05 L 84cd828b796ac738cce0f8f7d37bc180ff642dbc853a22606949dbe4aec9c37e
06 L 7fa6688c824e969d571ab3cb5e25847b834545c9a2a4103fb0a92b9fbd8bb742
root d38c5a451df7a708a41b73867b1899c5c146bed9f4e07c571475a42c56628fc5