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 - ALBAY 2ND DEO Award a ₱5.9M contract to JAG-VAIL CONSTRUCTION & SUPPLYNational agencies

Transaction hash:

497dc0b5b1aa8eff21174ff4a8325ce98e09b9ee1fcbe3890b34cbb001312e32

Status:

Included and unchanged

Block:

#2,908 3,105 blocks after it

Position in block:

Transaction 30 of 104

Award day:

Nov 17, 2016 (9 yrs 11 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 2ND DEO

To:

JAG-VAIL CONSTRUCTION & SUPPLY

Value:

₱5,873,856.85

Project:

Cluster 13-Repair/Maintenance of DPWH Bldg., Albay

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - ALBAY 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 #2,908 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 - ALBAY 2ND DEO awarded it to JAG-VAIL CONSTRUCTION & SUPPLY on 2016-11-17.
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 497dc0b5b1…312e32now …
2. Block Merkle root changed
stored 32e6b8f04c…0b7477now …
3. Block #2908 hash changed
stored 4d64146fe4…09d3cfnow …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 103 records. Each step hashes the current value together with the sibling shown.

leaf 497dc0b5b1aa8eff21174ff4a8325ce98e09b9ee1fcbe3890b34cbb001312e32
01 R 4ba081d6e9813615efe8dc124c8d317211f6dbb6acfc8ef045bf284a94654a8c
02 L 4d452d456866ee0f36b364932ed7cfdcf2030ea1a58914050cbfa06297db6c95
03 L 5ce1ca25ea9345028b5f4f68a113c29f819304b9caff39bebf441735265715f6
04 L c70c2f8d5fe3721aadda145cae6d0fa6eda7dde12f9a47b92647d8a4ec3bd818
05 L b91a2c3e19b6806868b0467c8b086d5764981f30150b4f91f0e5fd3d7b26ed54
06 R 20fb2040c628eef0576d1a4ec2b43e80240616d809ed2b039b4132397402a96d
07 R 68548721186e983384dbd396d2c2f6b0c45d4e4957ef0d7f63700a156a9fcfda
root 32e6b8f04c99104f5e862a7519efdca0a24a0628aad4fa303edc7443fe0b7477