Pith Number

pith:G7SPQUEH

pith:2014:G7SPQUEHEJZMFHDKRXMJKNXUZ2

not attested not anchored not stored refs pending

T\^ete-\`a-t\^ete graphs and twists

Christian Graf

arxiv:1408.1865 v1 · 2014-08-08 · 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{G7SPQUEHEJZMFHDKRXMJKNXUZ2}

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.

Cited by

1 paper in Pith

Vanishing arcs for isolated plane curve singularities

Receipt and verification

First computed	2026-05-18T02:45:38.947611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37e4f850872272c29c6a8dd89536f4ceb09ab901f6798a8c33e30000f3f72a91

Aliases

arxiv: 1408.1865 · arxiv_version: 1408.1865v1 · doi: 10.48550/arxiv.1408.1865 · pith_short_12: G7SPQUEHEJZM · pith_short_16: G7SPQUEHEJZMFHDK · pith_short_8: G7SPQUEH

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/G7SPQUEHEJZMFHDKRXMJKNXUZ2 \
  | 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: 37e4f850872272c29c6a8dd89536f4ceb09ab901f6798a8c33e30000f3f72a91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0abbb3670ecb1374ffe517369ce40026cfdb0a0509352167bb9b887bcef477b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-08-08T14:27:00Z",
    "title_canon_sha256": "8fd57ea3b48525727bf428928aa80451fbd01fecf5c09dc1f74d51e5ac6cae01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1865",
    "kind": "arxiv",
    "version": 1
  }
}