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 - QUEZON CITY 1ST DEO Award a ₱1.9M contract to P.J. CRUZ CONSTRUCTION & TRADINGNational agencies

Transaction hash:

6cb81d99c0982a32011e7ddc3aab2a62ba78f9250844ff27247d53ee57e44244

Status:

Included and unchanged

Block:

#1,128 4,885 blocks after it

Position in block:

Transaction 15 of 39

Award day:

Apr 25, 2011 (15 yrs 6 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - QUEZON CITY 1ST DEO

To:

P.J. CRUZ CONSTRUCTION & TRADING

Value:

₱1,859,764.30

Project:

Repair/Rehab. of School Building of L.R. Pascual E/S,

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS & HIGHWAYS - QUEZON CITY 1ST 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 #1,128 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 - QUEZON CITY 1ST DEO awarded it to P.J. CRUZ CONSTRUCTION & TRADING on 2011-04-25.
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 6cb81d99c0…e44244now …
2. Block Merkle root changed
stored e242b582ef…9e70d2now …
3. Block #1128 hash changed
stored ed6b24af89…2e1a6cnow …

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

leaf 6cb81d99c0982a32011e7ddc3aab2a62ba78f9250844ff27247d53ee57e44244
01 L 6a4b97b8fad3811daa4f51de1a3c84901ba5c118b568f36abe428f107d421f3f
02 L 0da82abe14801e7a3b6dadbda4202aae6bef61191f32f9b04c1e3da19ff41922
03 L 7b81e78e46ed2204495a75b37891c9235dea88080aec7f6ee207919bb63ab55b
04 L 2e0a21f6b2d4e15f0052b0de8201ffa5184077071e5fad27502158a14faf2fbe
05 R a755d32a11aec0228827f511ec895b88f41b021d3f8f717a97ed54c9e24d7d3e
06 R 94d26ee5e83d8c55944600c50922932c082df0ba34db2609b0cbab89a25bdc29
root e242b582ef787885268651b70da11aa1a3a2bd0f45aa8910ebeab078c49e70d2