Pith Number

pith:Y3QD7NCE

pith:2015:Y3QD7NCEFOD3LVLQBKVCWIHOXS

not attested not anchored not stored refs pending

On the non-realizability of braid groups by diffeomorphisms

Bena Tshishiku, Nick Salter

arxiv:1506.00941 v2 · 2015-06-02 · math.GT · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3QD7NCEFOD3LVLQBKVCWIHOXS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:45:08.694766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6e03fb4442b87b5d5700aaa2b20eebc88299e0837d2b968665ba893bcc677a8

Aliases

arxiv: 1506.00941 · arxiv_version: 1506.00941v2 · doi: 10.48550/arxiv.1506.00941 · pith_short_12: Y3QD7NCEFOD3 · pith_short_16: Y3QD7NCEFOD3LVLQ · pith_short_8: Y3QD7NCE

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/Y3QD7NCEFOD3LVLQBKVCWIHOXS \
  | 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: c6e03fb4442b87b5d5700aaa2b20eebc88299e0837d2b968665ba893bcc677a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3f30cb0fdd0776b502226214ff30c80971e73e94296495e0a2117d3c7fdd050",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-06-02T16:16:18Z",
    "title_canon_sha256": "61289f684742ac4710683f8fc9f408b67982530f79da033cd755ac5ba8d143d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00941",
    "kind": "arxiv",
    "version": 2
  }
}