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

DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE Award a ₱450.2K contract to JULDAN BUILDERSNational agencies

Transaction hash:

a007d642dfbb276cf7b66c6a727dc7f536bb2c75c0f36d70c81389086cb2e930

Status:

Included and unchanged

Block:

#721 5,292 blocks after it

Position in block:

Transaction 10 of 16

Award day:

Oct 29, 2009 (17 yrs ago)

From:

DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE

To:

JULDAN BUILDERS

Value:

₱450,170.02

Project:

Furnishing & Delivery of Materials for use in Installation of Single Barrel Box Culvert along Gapan-Fort Magsaysay Road, Gen. Tinio, N.E.

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE

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 #721 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)
DPWH NUEVA ECIJA 2ND DISTRICT ENGINEERING OFFICE awarded it to JULDAN BUILDERS on 2009-10-29.
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 a007d642df…b2e930now …
2. Block Merkle root changed
stored 690a8c5552…c25521now …
3. Block #721 hash changed
stored 2290b439a1…afab88now …

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

Merkle proof (4 steps)

How this one record is tied to the block's Merkle root, without needing the other 15 records. Each step hashes the current value together with the sibling shown.

leaf a007d642dfbb276cf7b66c6a727dc7f536bb2c75c0f36d70c81389086cb2e930
01 R a5db8e05d24239639c7568f67e44864aec6ea4a008edd7cd562330cd90d15a42
02 L b305c880eb188af5106fa5e43650931ee73a3f8478deff30c354a30c7bf96ef8
03 R 5b0e0150b41e0d9bd673fc771a57d9314b612ffe97f413fbf1241ba62fe1a4a7
04 L f65e42812515b3b6a7f7a1c72dbc7ba34c30c520aee0e772670040af58b3243f
root 690a8c5552b6a6065755c74926fe6067d4f6b5a6bbab964ac17388653ec25521