Pith Number

pith:76KV4DU3

pith:2012:76KV4DU3WTWJXTST2MDUBXE4RK

not attested not anchored not stored refs pending

Segal-type algebraic models of n-types

David Blanc, Simona Paoli

arxiv:1204.5101 v3 · 2012-04-23 · math.AT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{76KV4DU3WTWJXTST2MDUBXE4RK}

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	2026-05-18T02:03:38.612361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff955e0e9bb4ec9bce53d30740dc9c8a85a4910741d188e9c57a3a75ff3b2643

Aliases

arxiv: 1204.5101 · arxiv_version: 1204.5101v3 · doi: 10.48550/arxiv.1204.5101 · pith_short_12: 76KV4DU3WTWJ · pith_short_16: 76KV4DU3WTWJXTST · pith_short_8: 76KV4DU3

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/76KV4DU3WTWJXTST2MDUBXE4RK \
  | 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: ff955e0e9bb4ec9bce53d30740dc9c8a85a4910741d188e9c57a3a75ff3b2643

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef40e0a5509c6e60710ca17caa4f4de3689ec896ad5b0a073c6d8a50c722bfed",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-04-23T16:38:25Z",
    "title_canon_sha256": "e2062d2973034da686d65e453904cf7e2caf363ea5e7f4ef42552327610c5670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5101",
    "kind": "arxiv",
    "version": 3
  }
}