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 - DAVAO DEL SUR 2ND Award a ₱42.8M contract to H.L.J. CONSTRUCTION & ENTERPRISESNational agencies

Transaction hash:

1c94cbc260314d89d1dbe2c649d4831da184baf13e6df21b88540996eeb43f1b

Status:

Included and unchanged

Block:

#1,364 4,649 blocks after it

Position in block:

Transaction 9 of 81

Award day:

Jan 30, 2012 (14 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL SUR 2ND

To:

H.L.J. CONSTRUCTION & ENTERPRISES

Value:

₱42,808,287.60

Project:

Road Upgrading (gravel to paved) Davao-Sarangani Coastal Road, Kolikipos Sect. 1 - km 1711+760-1712+114.385; Sect. 2 - km. 1713+840-1715+000

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - DAVAO DEL SUR 2ND

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 #1,364 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 - DAVAO DEL SUR 2ND awarded it to H.L.J. CONSTRUCTION & ENTERPRISES on 2012-01-30.
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 1c94cbc260…b43f1bnow …
2. Block Merkle root changed
stored 94b296f2e6…917a6anow …
3. Block #1364 hash changed
stored 786c3adb16…aefec3now …

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

leaf 1c94cbc260314d89d1dbe2c649d4831da184baf13e6df21b88540996eeb43f1b
01 L 1a783e95dd6dc7c6716b98f8438f10d84a9f37b15fc530094a2dab0cb6758050
02 R 847471a6196bc43cff151599218aebfb8181dd40d695b634767ebee1c6ab093c
03 R 721d60a00c47556808f991bfcc280517552957bfeb0375dc7f1999c9fb760a31
04 L b2571fa8c05f9a7c88087c5a2dad6e64dc237fafcf39423fd03f6f18a42453a5
05 R 129a8e8bce21fdb4688321e4c4fb7f3acad6cb1557e4c6b1c2b354b0594685f1
06 R 4c991ba0ac82abe62c88da567ce10d0c37ded7643f9118e126e09e87a76a1f25
07 R 5d6aa2f65cfcdcf7815559747b48ddca2901d3406124be8e9bc4531009e20051
root 94b296f2e6e567f95ae528279382bdd695c20fcc4b7ed15419cad2d4c8917a6a