Pith Number

pith:X44EB4AC

pith:2007:X44EB4ACFY467DRODPWCLFOIN3

not attested not anchored not stored refs pending

Virtual Bridge Number One Knots

Evarist Byberi, Vladimir Chernov (Tchernov)

arxiv:0712.2347 v1 · 2007-12-14 · 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{X44EB4ACFY467DRODPWCLFOIN3}

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	2026-05-18T02:53:30.729024Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf3840f0022e39ef8e2e1bec2595c86efc84cd3a98ea7a7627db5312730ff567

Aliases

arxiv: 0712.2347 · arxiv_version: 0712.2347v1 · doi: 10.48550/arxiv.0712.2347 · pith_short_12: X44EB4ACFY46 · pith_short_16: X44EB4ACFY467DRO · pith_short_8: X44EB4AC

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/X44EB4ACFY467DRODPWCLFOIN3 \
  | 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: bf3840f0022e39ef8e2e1bec2595c86efc84cd3a98ea7a7627db5312730ff567

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "811c332daf325efdc02487211391e9a70ab6cbb9c69ea783409a9ed42119514f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2007-12-14T13:29:07Z",
    "title_canon_sha256": "921ac5b53acfc495385ebd41fd4a39924fffa2495669838a6199551d3acdc013"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.2347",
    "kind": "arxiv",
    "version": 1
  }
}