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 - PANGASINAN 1ST ED Award a ₱1.9M contract to JASA BUILDERSNational agencies

Transaction hash:

f2a15d9eb2a90a436e44aa2adc69d267481595d488dd57464ac2d8e9d600e238

Status:

Included and unchanged

Block:

#1,291 4,722 blocks after it

Position in block:

Transaction 31 of 33

Award day:

Nov 10, 2011 (15 yrs ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 1ST ED

To:

JASA BUILDERS

Value:

₱1,878,160.00

Project:

11AG0037-Construction of Multi-Purpose Building Brgy.Siaosio West, Sual, Pangasinan

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PANGASINAN 1ST 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 #1,291 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 - PANGASINAN 1ST ED awarded it to JASA BUILDERS on 2011-11-10.
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 f2a15d9eb2…00e238now …
2. Block Merkle root changed
stored 291dd763b3…e5fca8now …
3. Block #1291 hash changed
stored 084fc37955…3ac1e3now …

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

leaf f2a15d9eb2a90a436e44aa2adc69d267481595d488dd57464ac2d8e9d600e238
01 L ed560d64a11fb754994c541983f525bf8736ed4e1c7c50b37cf49e815361261b
02 L 204de681fcee9355c01828d9cf5b93259c96020a30f8b667a8e18549e43c6bce
03 L 2b3469c22a02b16a9e8c8400d393b55005befb7ed451029c4daa7de8bfb6f633
04 L f76073b399cb808badb5b1fccb904e83185ea6c4f232b51666aac1027542158d
05 L 4a25e60042dfa93e40e0e39209f4e8516e4b8b4ad17ce22ec2a1c23782bea255
06 R 5e6a8f91fd82e09a26a8a00e6c18995117d3c014786e22c60127330d3f2166ad
root 291dd763b3d4998fabd6352431148159a74a8986ed41e531725bf8e213e5fca8