Pith Number

pith:LSOW3GSW

pith:2021:LSOW3GSWHEY2V2RUWEAIVQKOC7

not attested not anchored not stored refs pending

Discrete Double Fibrations

Michael Lambert

arxiv:2101.06734 v1 · 2021-01-17 · 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{LSOW3GSWHEY2V2RUWEAIVQKOC7}

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	2026-07-05T02:07:36.662996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c9d6d9a563931aaea34b1008ac14e17ccd8450826250fd639b369b6ba36017e

Aliases

arxiv: 2101.06734 · arxiv_version: 2101.06734v1 · doi: 10.48550/arxiv.2101.06734 · pith_short_12: LSOW3GSWHEY2 · pith_short_16: LSOW3GSWHEY2V2RU · pith_short_8: LSOW3GSW

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/LSOW3GSWHEY2V2RUWEAIVQKOC7 \
  | 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: 5c9d6d9a563931aaea34b1008ac14e17ccd8450826250fd639b369b6ba36017e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a8ccd7a571c344931709173d6333bd760cc82a487c3970d02a42ac93af975d1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2021-01-17T18:04:01Z",
    "title_canon_sha256": "247c40c4773aa812059422fd534f194e3c82345a6d0eaf017fb834fd05cb07f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.06734",
    "kind": "arxiv",
    "version": 1
  }
}