Pith Number

pith:MBVZER6G

pith:2011:MBVZER6GFGPBCTG22SIUC5LM4C

not attested not anchored not stored refs pending

The Spacetime of a Dirac Fermion

Jianwei Mei

arxiv:1102.3847 v2 · 2011-02-18 · hep-th · gr-qc · hep-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{MBVZER6GFGPBCTG22SIUC5LM4C}

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	2026-05-18T04:19:21.803461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

606b9247c6299e114cdad49141756ce0bfd257fa7c7b78f526f26908b36cafd3

Aliases

arxiv: 1102.3847 · arxiv_version: 1102.3847v2 · doi: 10.48550/arxiv.1102.3847 · pith_short_12: MBVZER6GFGPB · pith_short_16: MBVZER6GFGPBCTG2 · pith_short_8: MBVZER6G

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/MBVZER6GFGPBCTG22SIUC5LM4C \
  | 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: 606b9247c6299e114cdad49141756ce0bfd257fa7c7b78f526f26908b36cafd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75f9e2288cb0c2e0b54b906a001d03d1f3dcca651b94d0ad6915162cc7db919d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-02-18T14:38:03Z",
    "title_canon_sha256": "1538fbc72b0064315a05b2844f48db7bd5ddb40069e049627f8d027de6ebb4d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3847",
    "kind": "arxiv",
    "version": 2
  }
}