Pith Number

pith:Q47NAMVD

pith:2015:Q47NAMVDDFBNREWCS2OBSRZQGL

not attested not anchored not stored refs pending

Genetic optimization of the Hyperloop route through the Grapevine

Casey J. Handmer

arxiv:1503.01524 v1 · 2015-03-05 · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q47NAMVDDFBNREWCS2OBSRZQGL}

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	2026-05-18T02:25:33.468244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

873ed032a31942d892c2969c19473032ddb8de8c96235419004409628277403a

Aliases

arxiv: 1503.01524 · arxiv_version: 1503.01524v1 · doi: 10.48550/arxiv.1503.01524 · pith_short_12: Q47NAMVDDFBN · pith_short_16: Q47NAMVDDFBNREWC · pith_short_8: Q47NAMVD

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/Q47NAMVDDFBNREWCS2OBSRZQGL \
  | 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: 873ed032a31942d892c2969c19473032ddb8de8c96235419004409628277403a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d9017b98f40e2e655d762667e9dadd22e8bfce493c686344ec4827623364a37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2015-03-05T03:29:16Z",
    "title_canon_sha256": "a2c3e58ddee2d6f97ae83988bfc94010106712a56578698c2b42572452066e19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01524",
    "kind": "arxiv",
    "version": 1
  }
}