Pith Number

pith:RUHNH4ZD

pith:2012:RUHNH4ZDYOKFGMOVIWMFAR73IE

not attested not anchored not stored refs pending

On a classification theorem for self-shrinkers

Michele Rimoldi

arxiv:1212.4037 v1 · 2012-12-17 · 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{RUHNH4ZDYOKFGMOVIWMFAR73IE}

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	2026-05-18T00:01:01.071580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d0ed3f323c3945331d545985047fb41360e0f51b094a6f0029451460b9574a8

Aliases

arxiv: 1212.4037 · arxiv_version: 1212.4037v1 · doi: 10.48550/arxiv.1212.4037 · pith_short_12: RUHNH4ZDYOKF · pith_short_16: RUHNH4ZDYOKFGMOV · pith_short_8: RUHNH4ZD

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/RUHNH4ZDYOKFGMOVIWMFAR73IE \
  | 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: 8d0ed3f323c3945331d545985047fb41360e0f51b094a6f0029451460b9574a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5ff963b5e2031990d21e06268784dc831dc1d5bda7ec96866d886ad84c8a767",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-12-17T15:48:59Z",
    "title_canon_sha256": "17e9e59158f6bb3d9537aa80b74edcbce839b1b69bfa74ae1df32f27d08e796b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4037",
    "kind": "arxiv",
    "version": 1
  }
}