Pith Number

pith:VJN2G4WA

pith:2005:VJN2G4WABKDMJUBJAKUAJLMSNL

not attested not anchored not stored refs pending

Quaternions in molecular modeling

Charles F. F. Karney (Sarnoff Corporation)

arxiv:physics/0506177 v3 · 2005-06-23 · physics.comp-ph · physics.chem-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{VJN2G4WABKDMJUBJAKUAJLMSNL}

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	2026-07-04T14:59:12.481126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa5ba372c00a86c4d02902a804ad926af1aa1c186528bf2448aa80b1c10e4091

Aliases

arxiv: physics/0506177 · arxiv_version: physics/0506177v3 · doi: 10.48550/arxiv.physics/0506177 · pith_short_12: VJN2G4WABKDM · pith_short_16: VJN2G4WABKDMJUBJ · pith_short_8: VJN2G4WA

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/VJN2G4WABKDMJUBJAKUAJLMSNL \
  | 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: aa5ba372c00a86c4d02902a804ad926af1aa1c186528bf2448aa80b1c10e4091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b45b20dad012b909c0b6df90a6f1d5e4ce250a67f738f670cb64138877a2b9",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2005-06-23T12:36:58Z",
    "title_canon_sha256": "a17e80771d5bc6d5015f892a4c234a99361a635d870449ce360cef1ea12204a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0506177",
    "kind": "arxiv",
    "version": 3
  }
}