Pith Number

pith:BJB7O23G

pith:2020:BJB7O23GZOKZKLGPL57WR6NUDI

not attested not anchored not stored refs pending

Simplicial homeomorphs and trace-bounded hypergraphs

Bhargav Narayanan, Corrine Yap, Jason Long

arxiv:2011.08167 v2 · 2020-11-16 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJB7O23GZOKZKLGPL57WR6NUDI}

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	2026-07-05T04:37:54.432642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a43f76b66cb95952ccf5f7f68f9b41a26bc8513305d2fe36420dc2b1cd7d083

Aliases

arxiv: 2011.08167 · arxiv_version: 2011.08167v2 · doi: 10.48550/arxiv.2011.08167 · pith_short_12: BJB7O23GZOKZ · pith_short_16: BJB7O23GZOKZKLGP · pith_short_8: BJB7O23G

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/BJB7O23GZOKZKLGPL57WR6NUDI \
  | 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: 0a43f76b66cb95952ccf5f7f68f9b41a26bc8513305d2fe36420dc2b1cd7d083

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "546098b439576888b0a0beac7b737d310e7fc0618701ccb5ba8bb29f6b190d79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-11-16T18:45:25Z",
    "title_canon_sha256": "1291d3c351c84d20350fd79f3ff2d4832ad55906fa598dc10214ffbd01f23673"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.08167",
    "kind": "arxiv",
    "version": 2
  }
}