Pith Number

pith:OG46B2TS

pith:2017:OG46B2TSDDDGM62IP5JJTIXNZK

not attested not anchored not stored refs pending

Self-contracted curves have finite length

Eugene Stepanov, Yana Teplitskaya

arxiv:1707.04922 v1 · 2017-07-16 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OG46B2TSDDDGM62IP5JJTIXNZK}

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	2026-05-18T00:40:11.771235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71b9e0ea7218c6667b487f5299a2edcabf1f112cd328f2355ff6d27a9954b3be

Aliases

arxiv: 1707.04922 · arxiv_version: 1707.04922v1 · doi: 10.48550/arxiv.1707.04922 · pith_short_12: OG46B2TSDDDG · pith_short_16: OG46B2TSDDDGM62I · pith_short_8: OG46B2TS

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/OG46B2TSDDDGM62IP5JJTIXNZK \
  | 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: 71b9e0ea7218c6667b487f5299a2edcabf1f112cd328f2355ff6d27a9954b3be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55055e0075f46daaebdb9c2f8ed02ae8a4c3885118a91746774adf3ef23cec14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-07-16T17:46:48Z",
    "title_canon_sha256": "8f87f8a6cb68239a2867089cb345c513929d9b84f81d0d68fba6ea46a22173ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04922",
    "kind": "arxiv",
    "version": 1
  }
}