Pith Number

pith:62YRAAX3

pith:2017:62YRAAX3PLRTMXGMYQQSNGIYMD

not attested not anchored not stored refs pending

A Seifert algorithm for lamination links

Ulrich Oertel

arxiv:1708.00061 v2 · 2017-07-31 · 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{62YRAAX3PLRTMXGMYQQSNGIYMD}

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	2026-05-17T23:57:15.672478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6b11002fb7ae3365cccc42126991860fbdf89c39145a19fc144b1797400ee21

Aliases

arxiv: 1708.00061 · arxiv_version: 1708.00061v2 · doi: 10.48550/arxiv.1708.00061 · pith_short_12: 62YRAAX3PLRT · pith_short_16: 62YRAAX3PLRTMXGM · pith_short_8: 62YRAAX3

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/62YRAAX3PLRTMXGMYQQSNGIYMD \
  | 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: f6b11002fb7ae3365cccc42126991860fbdf89c39145a19fc144b1797400ee21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cc0c63e9d8a88853d3493af12feecd6e6fcefa04f56a6d5aced308968fca65a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2017-07-31T20:34:17Z",
    "title_canon_sha256": "d695fbc13fff1ae549411ce950a626f6394b995d48c5e039b2ebeabd2ed3d290"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00061",
    "kind": "arxiv",
    "version": 2
  }
}