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 HIGHWAYS - CEBU CITY DEO Award a ₱8.9M contract to QUIRANTE CONSTRUCTIONNational agencies

Transaction hash:

d78c18ea2c545defdd9cb311a6ee3bc9637b5284c9c910c6eaa0116b35199191

Status:

Included and unchanged

Block:

#1,384 4,629 blocks after it

Position in block:

Transaction 39 of 46

Award day:

Feb 22, 2012 (14 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY DEO

To:

QUIRANTE CONSTRUCTION

Value:

₱8,898,888.00

Project:

Asphalt Overlay / Repair and Rehabilitation of D. Jakosalem St. (K0001+719 to K0001+981.50, K0002+522 to K0002+969 and K0003+149 to K0003+420.70), Cebu City

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS HIGHWAYS - CEBU CITY 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 #1,384 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 HIGHWAYS - CEBU CITY DEO awarded it to QUIRANTE CONSTRUCTION on 2012-02-22.
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 d78c18ea2c…199191now …
2. Block Merkle root changed
stored 9437b0597f…6f7709now …
3. Block #1384 hash changed
stored 66618fa326…aac94bnow …

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

leaf d78c18ea2c545defdd9cb311a6ee3bc9637b5284c9c910c6eaa0116b35199191
01 L d07001fbefc588f22d74916b27664250f846bcd7f034542eab6e3d1e0819cb3d
02 L 8ac82f30370ef442336219d2272aeb201070844619e9238b46ded934bd8b8f91
03 L ef19b2d0e0b7ba849e9fbf8f6507f972579587d4c7691fbff9ea6df4f6bee938
04 R 07c0b399a8fccebac3be05ec142d7282a295bfcd074f290e73cf00f007b9c007
05 R 153aab52d380004e9fc51fb1423b5ac515ee41ae98187f7856b3427bd77d3426
06 L 5f2e93c8d00156412fbc5b38e6e56af046e9b86a4d381071b3a9e74783a1b30f
root 9437b0597f19b99bc767fff2ae63f86902467290e0d8cc8f3d6aaec8f36f7709