Pith Number

pith:JCFAOA3S

pith:2011:JCFAOA3SLWQGYYS3ZF23SGEWOR

not attested not anchored not stored refs pending

Example of an unbounded diffeomorphism group

Tomasz Rybicki

arxiv:1103.3620 v2 · 2011-03-18 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JCFAOA3SLWQGYYS3ZF23SGEWOR}

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	2026-05-18T04:25:04.409268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

488a0703725da06c625bc975b918967467d12215374b06bc336915c53ba201ef

Aliases

arxiv: 1103.3620 · arxiv_version: 1103.3620v2 · doi: 10.48550/arxiv.1103.3620 · pith_short_12: JCFAOA3SLWQG · pith_short_16: JCFAOA3SLWQGYYS3 · pith_short_8: JCFAOA3S

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/JCFAOA3SLWQGYYS3ZF23SGEWOR \
  | 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: 488a0703725da06c625bc975b918967467d12215374b06bc336915c53ba201ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8de7f1b49f04aea3aad74a82057f2c42f5f85f3388350f3dfe2969d2a65288a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-03-18T13:28:10Z",
    "title_canon_sha256": "1b5068b0b7fb5d2042e4f620a2c12446ea4fe48fd5028ba23ddf13275fd1608d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3620",
    "kind": "arxiv",
    "version": 2
  }
}