Pith Number

pith:CMFY4DRR

pith:2013:CMFY4DRRNCQWVDJ5S2Z63TKAZW

not attested not anchored not stored refs pending

Adiabatic regularization for spin-1/2 fields

Aitor Landete, Francisco Torrenti, Jose Navarro-Salas

arxiv:1305.7374 v2 · 2013-05-31 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CMFY4DRRNCQWVDJ5S2Z63TKAZW}

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	2026-05-18T01:49:39.222604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

130b8e0e3168a16a8d3d96b3edcd40cd8ebc2682be9f312f9b90005c8fcf1ed5

Aliases

arxiv: 1305.7374 · arxiv_version: 1305.7374v2 · doi: 10.48550/arxiv.1305.7374 · pith_short_12: CMFY4DRRNCQW · pith_short_16: CMFY4DRRNCQWVDJ5 · pith_short_8: CMFY4DRR

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/CMFY4DRRNCQWVDJ5S2Z63TKAZW \
  | 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: 130b8e0e3168a16a8d3d96b3edcd40cd8ebc2682be9f312f9b90005c8fcf1ed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d00f638c2deafe21b8b781ba2dd73d4dc0e72a92869698ae647d0823c4894918",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-05-31T12:06:48Z",
    "title_canon_sha256": "9048cce1a3cd75a3d01ff73c037b92208eda5338e2d617d583a5ec506842afe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7374",
    "kind": "arxiv",
    "version": 2
  }
}