Pith Number

pith:FX7N6WST

pith:2018:FX7N6WST3SEIUSXKZH7W5JT6VS

not attested not anchored not stored refs pending

Notes on the Joyal model structure

Danny Stevenson

arxiv:1810.05233 v1 · 2018-10-11 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FX7N6WST3SEIUSXKZH7W5JT6VS}

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	2026-05-18T00:03:31.283815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dfedf5a53dc888a4aeac9ff6ea67eac84623773c62c6a8c636b0906cbc05fbd

Aliases

arxiv: 1810.05233 · arxiv_version: 1810.05233v1 · doi: 10.48550/arxiv.1810.05233 · pith_short_12: FX7N6WST3SEI · pith_short_16: FX7N6WST3SEIUSXK · pith_short_8: FX7N6WST

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/FX7N6WST3SEIUSXKZH7W5JT6VS \
  | 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: 2dfedf5a53dc888a4aeac9ff6ea67eac84623773c62c6a8c636b0906cbc05fbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c452719158b65f8edeee59875a309900b133f11d7e1dd2f72d3a289a2ce441c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-10-11T20:13:05Z",
    "title_canon_sha256": "0c3573de3af300ed8b32ac4382daac5fce32efa347055786d93ddf3b4843f4ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05233",
    "kind": "arxiv",
    "version": 1
  }
}