Pith Number

pith:VQG4NLIN

pith:2010:VQG4NLINWWNS46GTPHKB4KKVPD

not attested not anchored not stored refs pending

Geometry and topology of geometric limits I

Ken'ichi Ohshika, Teruhiko Soma

arxiv:1002.4266 v2 · 2010-02-23 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQG4NLINWWNS46GTPHKB4KKVPD}

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	2026-05-18T02:03:56.103479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac0dc6ad0db59b2e78d379d41e295578c5236763887398b53cf4398f598f2da2

Aliases

arxiv: 1002.4266 · arxiv_version: 1002.4266v2 · doi: 10.48550/arxiv.1002.4266 · pith_short_12: VQG4NLINWWNS · pith_short_16: VQG4NLINWWNS46GT · pith_short_8: VQG4NLIN

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/VQG4NLINWWNS46GTPHKB4KKVPD \
  | 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: ac0dc6ad0db59b2e78d379d41e295578c5236763887398b53cf4398f598f2da2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20bc846e1dd500fa1f11e34af1c810c496da97eb4a93cbc3de35368ddc890d21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2010-02-23T08:38:51Z",
    "title_canon_sha256": "607311b73941daef9c3b665bb78faec2405d04d99b0ea65c79ce1725bc0b8f4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4266",
    "kind": "arxiv",
    "version": 2
  }
}