Pith Number

pith:4RSWDT5T

pith:2012:4RSWDT5TFNYGRYFXILFLAFQN35

not attested not anchored not stored refs pending

Homomorphisms between diffeomorphism groups

Kathryn Mann

arxiv:1206.1196 v2 · 2012-06-06 · math.GT · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RSWDT5TFNYGRYFXILFLAFQN35}

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	2026-05-18T03:13:58.408044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e46561cfb32b7068e0b742cab0160ddf6451760968e86ea795e35f6567f44235

Aliases

arxiv: 1206.1196 · arxiv_version: 1206.1196v2 · doi: 10.48550/arxiv.1206.1196 · pith_short_12: 4RSWDT5TFNYG · pith_short_16: 4RSWDT5TFNYGRYFX · pith_short_8: 4RSWDT5T

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/4RSWDT5TFNYGRYFXILFLAFQN35 \
  | 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: e46561cfb32b7068e0b742cab0160ddf6451760968e86ea795e35f6567f44235

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6a33ea2c1026a31834c489e111a1a4ad5c1765bbb79795d453a1824c779a45b",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2012-06-06T12:10:19Z",
    "title_canon_sha256": "a004d8218c32722f395108135ffe58e904c100dddcc415c0177c1cb45e83591e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1196",
    "kind": "arxiv",
    "version": 2
  }
}