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 - LOWER KALINGA DEO Award a ₱96.2M contract to YUNAKIM CONSTRUCTIONNational agencies

Transaction hash:

8183b5a2b38b9cfc1a4232bcfa4a84d5cb002e3391cef1d1f0e0e9b151d05c0e

Status:

Included and unchanged

Block:

#5,054 959 blocks after it

Position in block:

Transaction 314 of 649

Award day:

Feb 1, 2023 (3 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LOWER KALINGA DEO

To:

YUNAKIM CONSTRUCTION

Value:

₱96,194,616.06

Project:

23PL0025

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LOWER KALINGA 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 #5,054 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 - LOWER KALINGA DEO awarded it to YUNAKIM CONSTRUCTION on 2023-02-01.
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 8183b5a2b3…d05c0enow …
2. Block Merkle root changed
stored ca300e9590…161a12now …
3. Block #5054 hash changed
stored 0eefb96ca5…b26bc4now …

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

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 648 records. Each step hashes the current value together with the sibling shown.

leaf 8183b5a2b38b9cfc1a4232bcfa4a84d5cb002e3391cef1d1f0e0e9b151d05c0e
01 R 8192f18cdf2843e8205e91b15f685de6a2c40ca212f4bc7d501e228c4acb697c
02 L 6808dc9df9465eab50fad511b377df84695d6a75226bb2f321ff0e779954e5b2
03 R dc77fd4f2725ab58d574dd9ac6493b0b7a6e85025d2b9018a1f4dfc37c5fd8a9
04 L 4ca9fbdd17f0c5a6b6b1922e46ad9c61c22925ca8666a36b42f3ab40acfd807d
05 L 83d65b0e4f0a56e7182ad4eb04f623d3a87d1437b81cbe535539fa8471eddb4f
06 L 48751306387e3e19d991fcb0eaff1a44d4482561ac3c23138d2cb14da6e92f25
07 R e91745b496b82ddc74362ab0b573392af8361a996e2d15f1a765cdf2207e5e3a
08 R b4050db24a588d57d7c5445425c554c1f63047d4736c5f72cc23e331aa177ea6
09 L 3480092beb22ef00d72efd56a085d8102fa1a58e0bdc1a4aaeb07570acfd1364
10 R c3450c021a381792975add1709afb79adc116c0a286b44107273eef79ce627a2
root ca300e9590abea0ca272032a52dee6c707cff050ac54e8e2f093336237161a12