Pith Number

pith:EIYDL7QA

pith:2012:EIYDL7QAHQLJHJDOJMHAUIYQOP

not attested not anchored not stored refs pending

Validity of the kink approximation to the tunneling action

Alexander Westphal, Cecelie Hector, Koushik Dutta, Pascal M. Vaudrevange, Thomas Konstandin

arxiv:1202.2721 v2 · 2012-02-13 · 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{EIYDL7QAHQLJHJDOJMHAUIYQOP}

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	2026-05-18T03:36:48.121534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

223035fe003c1693a46e4b0e0a231073f0c20722c17b9b85413790abf89cc4f6

Aliases

arxiv: 1202.2721 · arxiv_version: 1202.2721v2 · doi: 10.48550/arxiv.1202.2721 · pith_short_12: EIYDL7QAHQLJ · pith_short_16: EIYDL7QAHQLJHJDO · pith_short_8: EIYDL7QA

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/EIYDL7QAHQLJHJDOJMHAUIYQOP \
  | 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: 223035fe003c1693a46e4b0e0a231073f0c20722c17b9b85413790abf89cc4f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5314c825fa0e4ff1c1ea12c7f831be276bd5c4992625e3b19944f872bb6c367c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-02-13T13:29:30Z",
    "title_canon_sha256": "c5a636ea7774638d619a095f8c37f59d19b9d100010c46e7dbdada577e25d9ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2721",
    "kind": "arxiv",
    "version": 2
  }
}