Pith Number

pith:XYWDWSNA

pith:2005:XYWDWSNADSYNQPYQOBMMTMQXZJ

not attested not anchored not stored refs pending

A model category for local po-spaces

Krzysztof Worytkiewicz, Peter Bubenik

arxiv:math/0506352 v2 · 2005-06-17 · 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{XYWDWSNADSYNQPYQOBMMTMQXZJ}

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	2026-05-18T01:16:22.062830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be2c3b49a01cb0d83f107058c9b217ca48101217fbef8033ec21255fb4d7fb54

Aliases

arxiv: math/0506352 · arxiv_version: math/0506352v2 · doi: 10.48550/arxiv.math/0506352 · pith_short_12: XYWDWSNADSYN · pith_short_16: XYWDWSNADSYNQPYQ · pith_short_8: XYWDWSNA

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/XYWDWSNADSYNQPYQOBMMTMQXZJ \
  | 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: be2c3b49a01cb0d83f107058c9b217ca48101217fbef8033ec21255fb4d7fb54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dba6d42d30cccc6529d1a9902b64f1780125f994b83cb5728f843abadf2b8895",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "",
    "primary_cat": "math.AT",
    "submitted_at": "2005-06-17T14:33:58Z",
    "title_canon_sha256": "afa4356b936936fb424a30003a9e34048b9253ba865bf018d562d89617b6da9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0506352",
    "kind": "arxiv",
    "version": 2
  }
}