Pith Number

pith:6GNJBKSX

pith:2012:6GNJBKSXOEIZXCA64UB4VQCSKD

not attested not anchored not stored refs pending

On uniqueness of tangent cones for Einstein manifolds

Tobias Holck Colding, William P. Minicozzi II

arxiv:1206.4929 v1 · 2012-06-21 · math.DG · math.AG · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6GNJBKSXOEIZXCA64UB4VQCSKD}

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	2026-05-18T03:52:53.899767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f19a90aa5771119b881ee503cac05250c6dd3bdaf37d5190b935430525e9d8f2

Aliases

arxiv: 1206.4929 · arxiv_version: 1206.4929v1 · doi: 10.48550/arxiv.1206.4929 · pith_short_12: 6GNJBKSXOEIZ · pith_short_16: 6GNJBKSXOEIZXCA6 · pith_short_8: 6GNJBKSX

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/6GNJBKSXOEIZXCA64UB4VQCSKD \
  | 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: f19a90aa5771119b881ee503cac05250c6dd3bdaf37d5190b935430525e9d8f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "961ada5cdd605146ead6f8b9cbe209c3b8d99d9db5edf654107f10de917a2812",
    "cross_cats_sorted": [
      "math.AG",
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-06-21T16:16:47Z",
    "title_canon_sha256": "98b723708251f25477adfe211f3484dd83632e7bca7f926056504bc012e537a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4929",
    "kind": "arxiv",
    "version": 1
  }
}