Pith Number

pith:EA2BWAYN

pith:2011:EA2BWAYNQOBUI3CKSMEND6FJML

not attested not anchored not stored refs pending

Every knot is a billiard knot

Daniel Pecker, Pierre-Vincent Koseleff (INRIA Rocquencourt)

arxiv:1106.5600 v1 · 2011-06-28 · math.AG · 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{EA2BWAYNQOBUI3CKSMEND6FJML}

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	2026-05-18T04:19:12.862761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20341b030d8383446c4a9308d1f8a962f2a3062274886dbbf85ecb88658d0ef1

Aliases

arxiv: 1106.5600 · arxiv_version: 1106.5600v1 · doi: 10.48550/arxiv.1106.5600 · pith_short_12: EA2BWAYNQOBU · pith_short_16: EA2BWAYNQOBUI3CK · pith_short_8: EA2BWAYN

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/EA2BWAYNQOBUI3CKSMEND6FJML \
  | 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: 20341b030d8383446c4a9308d1f8a962f2a3062274886dbbf85ecb88658d0ef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0fa99585f94348bf38c13313aad875c64f7ed97548f9cd0ba048ddfa65aa884",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-06-28T09:10:07Z",
    "title_canon_sha256": "38e66d4cb657066a844a4714814e96902edaeb39098c6d402dcb3a9647047045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5600",
    "kind": "arxiv",
    "version": 1
  }
}