Pith Number

pith:JOL6TOHU

pith:2017:JOL6TOHUQYDAE4BKMMLTXZIFAV

not attested not anchored not stored refs pending

Cannibalistic Classes of String Bundles

Gerd Laures, Martin Olbermann

arxiv:1701.01287 v2 · 2017-01-05 · 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{JOL6TOHUQYDAE4BKMMLTXZIFAV}

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	2026-05-18T00:35:04.840199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b97e9b8f4860602702a63173be50505716b4b713a92340e4f8aed7f97ca9382

Aliases

arxiv: 1701.01287 · arxiv_version: 1701.01287v2 · doi: 10.48550/arxiv.1701.01287 · pith_short_12: JOL6TOHUQYDA · pith_short_16: JOL6TOHUQYDAE4BK · pith_short_8: JOL6TOHU

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/JOL6TOHUQYDAE4BKMMLTXZIFAV \
  | 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: 4b97e9b8f4860602702a63173be50505716b4b713a92340e4f8aed7f97ca9382

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52d8895eda76b8f4367a6736b4709f432dc4fcf5c2e14dd051a34aa58c4a1e91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-01-05T11:59:44Z",
    "title_canon_sha256": "3fcbc72724029327a73c71d7f4a8442f4ba6e090c9d98794aa4efd1694e83f3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01287",
    "kind": "arxiv",
    "version": 2
  }
}