Pith Number

pith:UH265ZDE

pith:2012:UH265ZDEX6WDZJXUSKEAMJXJO7

not attested not anchored not stored refs pending

Dynamics of a Dirac Fermion in the presence of spin noncommutativity

A. F. Ferrari, C. A. Stechhahn, M. Gomes, V. G. Kupriyanov

arxiv:1207.0412 v1 · 2012-07-02 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UH265ZDEX6WDZJXUSKEAMJXJO7}

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

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	2026-05-18T01:56:35.715355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1f5eee464bfac3ca6f492880626e977e3f52ebd6ab6ae9115523e53a7ea5eab

Aliases

arxiv: 1207.0412 · arxiv_version: 1207.0412v1 · doi: 10.48550/arxiv.1207.0412 · pith_short_12: UH265ZDEX6WD · pith_short_16: UH265ZDEX6WDZJXU · pith_short_8: UH265ZDE

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/UH265ZDEX6WDZJXUSKEAMJXJO7 \
  | 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: a1f5eee464bfac3ca6f492880626e977e3f52ebd6ab6ae9115523e53a7ea5eab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c6bb83b1c2f673f640282dc069689529d43425049a0523ebc3923ecc12f4428",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-07-02T14:45:51Z",
    "title_canon_sha256": "f6f68f8f009a2e8d2f3d8aa943e463cbbf6774fed206eae8ce3fcfc5b4159598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0412",
    "kind": "arxiv",
    "version": 1
  }
}