Pith Number

pith:WYJFY4K5

pith:2015:WYJFY4K5RGQONLEKI7FY3MN2V5

not attested not anchored not stored refs pending

An Investigation of Natural Gas as a Substitute for Diesel in Heavy Duty Trucks and Associated Considerations

Mehrdad Ehsani, Muneer Mohammad

arxiv:1512.01421 v1 · 2015-11-06 · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYJFY4K5RGQONLEKI7FY3MN2V5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:25:16.946816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6125c715d89a0e6ac8a47cb8db1baaf44ef9b4417ba863b62ad36ac43316890

Aliases

arxiv: 1512.01421 · arxiv_version: 1512.01421v1 · doi: 10.48550/arxiv.1512.01421 · pith_short_12: WYJFY4K5RGQO · pith_short_16: WYJFY4K5RGQONLEK · pith_short_8: WYJFY4K5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WYJFY4K5RGQONLEKI7FY3MN2V5 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b6125c715d89a0e6ac8a47cb8db1baaf44ef9b4417ba863b62ad36ac43316890

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ee89febdfcbe02972fc53aef1a73d91f7f5f923a268a31b66553fc8829ce606",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-11-06T22:29:34Z",
    "title_canon_sha256": "93eb845c63e8991d305c6d14eef526a6051acc1a0d0c1a479b9f76c713de6b5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01421",
    "kind": "arxiv",
    "version": 1
  }
}