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 - CATANDUANES ED Award a ₱5.3M contract to CHRISMAN CONSTRUCTION AND SUPPLIESNational agencies

Transaction hash:

fdcb5a759d38eae94d945dddb3306509b8bd0a5653fb3694cd10d7f85feb6835

Status:

Included and unchanged

Block:

#1,089 4,924 blocks after it

Position in block:

Transaction 62 of 63

Award day:

Mar 7, 2011 (15 yrs 8 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES ED

To:

CHRISMAN CONSTRUCTION AND SUPPLIES

Value:

₱5,308,963.84

Project:

ROAD UPGRADING (GRAVEL TO PAVED) BASED ON GRAVEL ROAD STRATEGIES. TRAFFIC BENCHMARK FOR UPGRADING TO PAVED ROAD STANDARD(HDM-4 PROJECT ANALYSIS -CATANDUANES CIRCUMFERENTIAL RD. K0008+718-K0008+984(B

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CATANDUANES ED

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 #1,089 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 - CATANDUANES ED awarded it to CHRISMAN CONSTRUCTION AND SUPPLIES on 2011-03-07.
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 fdcb5a759d…eb6835now …
2. Block Merkle root changed
stored 6b93aedc4b…512a2dnow …
3. Block #1089 hash changed
stored c822e12c07…6a22f6now …

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

leaf fdcb5a759d38eae94d945dddb3306509b8bd0a5653fb3694cd10d7f85feb6835
01 R fdcb5a759d38eae94d945dddb3306509b8bd0a5653fb3694cd10d7f85feb6835
02 L fdb39030497ba863f2334fe8d1dbeceb0c10684b070e2c74294719d1615867ea
03 L 52452979f4b2208ae3e4c0395c9a4103890e1053e2c475db0965294a3046723c
04 L b6cfefdb0d1f731ef92c516afbebaf76ab42e11b4c1a6819231650aa04947e05
05 L edefe78ae07dc88f4b995462d77cd364096d925de0fd78b9a011746c4f96dafb
06 L da05906def182b9f42f39a1201253f8c0f66d732e42057db7445fd48d2281b3a
root 6b93aedc4bf73d85c558e1cdf0e6daab48090c21f06c6af5c1deef6f79512a2d