Pith Number

pith:G5KG5FW2

pith:2014:G5KG5FW2SREB5U5WEXPM4JTIZF

not attested not anchored not stored refs pending

Distinguishing topologically and smoothly doubly slice knots

Jeffrey Meier

arxiv:1401.1161 v2 · 2014-01-06 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G5KG5FW2SREB5U5WEXPM4JTIZF}

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	2026-05-18T00:44:29.215619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37546e96da94481ed3b625dece2668c9747dbf7bb975ff9efa81640c1b370059

Aliases

arxiv: 1401.1161 · arxiv_version: 1401.1161v2 · doi: 10.48550/arxiv.1401.1161 · pith_short_12: G5KG5FW2SREB · pith_short_16: G5KG5FW2SREB5U5W · pith_short_8: G5KG5FW2

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/G5KG5FW2SREB5U5WEXPM4JTIZF \
  | 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: 37546e96da94481ed3b625dece2668c9747dbf7bb975ff9efa81640c1b370059

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2413feb4bc8f9885a27ded7d9be390ba53407b2579d85a14a64771d3dabb7a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-01-06T18:21:08Z",
    "title_canon_sha256": "ded04aaaa409fbfd80a68ba1c70a1f8b0da5cb428a467190ab64e89a8236a185"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1161",
    "kind": "arxiv",
    "version": 2
  }
}