Pith Number

pith:UAWYRBVR

pith:2012:UAWYRBVRRPL3FNTZV5YG6IQ3LS

not attested not anchored not stored refs pending

Extremal polygons in R^3

Gaiane Panina

arxiv:1201.0457 v2 · 2012-01-02 · math.GT · 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{UAWYRBVRRPL3FNTZV5YG6IQ3LS}

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	2026-05-18T04:02:26.821981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a02d8886b18bd7b2b679af706f221b5c85b6ea5ffe5001c9a52ca056366bc29b

Aliases

arxiv: 1201.0457 · arxiv_version: 1201.0457v2 · doi: 10.48550/arxiv.1201.0457 · pith_short_12: UAWYRBVRRPL3 · pith_short_16: UAWYRBVRRPL3FNTZ · pith_short_8: UAWYRBVR

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/UAWYRBVRRPL3FNTZV5YG6IQ3LS \
  | 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: a02d8886b18bd7b2b679af706f221b5c85b6ea5ffe5001c9a52ca056366bc29b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12e46e90f7615ced79897255cc53f0ca96c7bd8cecf7f640dc3b633c96186057",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-01-02T12:20:50Z",
    "title_canon_sha256": "68d1e1d069d845dd7820d2ab99643ce6d3156e474c23e8b7932958e1c9d1f56d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0457",
    "kind": "arxiv",
    "version": 2
  }
}