Pith Number

pith:SHNIW6SJ

pith:2022:SHNIW6SJ4NMLR7TDS35HUDLUV7

not attested not anchored not stored refs pending

Manifold diagrams and tame tangles

Christoph Dorn, Christopher L. Douglas

arxiv:2208.13758 v1 · 2022-08-29 · math.AT · math.CO · math.CT · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SHNIW6SJ4NMLR7TDS35HUDLUV7}

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	2026-07-05T04:52:20.741767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91da8b7a49e358b8fe6396fa7a0d74afdf9b2e929a5aaf3f0dddd1702578706a

Aliases

arxiv: 2208.13758 · arxiv_version: 2208.13758v1 · doi: 10.48550/arxiv.2208.13758 · pith_short_12: SHNIW6SJ4NML · pith_short_16: SHNIW6SJ4NMLR7TD · pith_short_8: SHNIW6SJ

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/SHNIW6SJ4NMLR7TDS35HUDLUV7 \
  | 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: 91da8b7a49e358b8fe6396fa7a0d74afdf9b2e929a5aaf3f0dddd1702578706a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "309db1527b89c9b59394abf43d75b7f320fc823680737da137b11ffb836bc6d4",
    "cross_cats_sorted": [
      "math.CO",
      "math.CT",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2022-08-29T17:48:31Z",
    "title_canon_sha256": "fcdebacb272111e7acfcc5ceb8acc15c6f1b01f5306294ee9f15bc0a7f9f9c6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.13758",
    "kind": "arxiv",
    "version": 1
  }
}