Pith Number

pith:WI7AKXCY

pith:2008:WI7AKXCYRBVNHTGWH3PHA5GITC

not attested not anchored not stored refs pending

Canonical triangulations of Dehn fillings

Fran\c{c}ois Gu\'eritaud, Saul Schleimer

arxiv:0805.1359 v1 · 2008-05-09 · 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{WI7AKXCYRBVNHTGWH3PHA5GITC}

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	2026-05-18T02:38:19.134739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b23e055c58886ad3ccd63ede7074c898830bb72b244975d0977a542e9336a08b

Aliases

arxiv: 0805.1359 · arxiv_version: 0805.1359v1 · doi: 10.48550/arxiv.0805.1359 · pith_short_12: WI7AKXCYRBVN · pith_short_16: WI7AKXCYRBVNHTGW · pith_short_8: WI7AKXCY

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/WI7AKXCYRBVNHTGWH3PHA5GITC \
  | 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: b23e055c58886ad3ccd63ede7074c898830bb72b244975d0977a542e9336a08b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7afb7f2cb839268f371df5d55e4443c335e1bae225d962deaaaec8d43bd5367c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "math.GT",
    "submitted_at": "2008-05-09T14:11:14Z",
    "title_canon_sha256": "f3b79f091edd220eb12380c8ffd54dfb73a5a5a2c3779c092401b979d338f10e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.1359",
    "kind": "arxiv",
    "version": 1
  }
}