Pith Number

pith:EAFSRYSL

pith:2013:EAFSRYSL4X7MCLSZH7WNZV2XGM

not attested not anchored not stored refs pending

Constructing isothermal curvature line coordinates on surfaces which admit them

Eugenio Aulisa, Magdalena Toda, Zeynep Kose

arxiv:1302.5402 v1 · 2013-02-21 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EAFSRYSL4X7MCLSZH7WNZV2XGM}

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	2026-05-18T03:32:57.749280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

200b28e24be5fec12e593fecdcd757331e1ba9c43483bebedfe620997ca597d4

Aliases

arxiv: 1302.5402 · arxiv_version: 1302.5402v1 · doi: 10.48550/arxiv.1302.5402 · pith_short_12: EAFSRYSL4X7M · pith_short_16: EAFSRYSL4X7MCLSZ · pith_short_8: EAFSRYSL

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/EAFSRYSL4X7MCLSZH7WNZV2XGM \
  | 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: 200b28e24be5fec12e593fecdcd757331e1ba9c43483bebedfe620997ca597d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92622711cc124b1915cd6d7cf15e4c4c0f5fc1a86d2a990404d1c7a88fae8aa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-02-21T20:21:58Z",
    "title_canon_sha256": "a7d2b4c8cb05f572beb301ebc9e6f22983339a7dbad3ecc3f3cdaec4632fa742"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5402",
    "kind": "arxiv",
    "version": 1
  }
}