Pith Number

pith:OB6RC6R2

pith:2015:OB6RC6R2OFYTLG33XNNHNQGKTX

not attested not anchored not stored refs pending

Singularities of mean convex level set flow in general ambient manifolds

Or Hershkovits, Robert Haslhofer

arxiv:1508.00840 v1 · 2015-08-04 · math.DG · 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{OB6RC6R2OFYTLG33XNNHNQGKTX}

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	2026-05-18T01:35:53.235588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

707d117a3a7171359b7bbb5a76c0ca9dd9bd52519640d801a31e9cf0d0960f6f

Aliases

arxiv: 1508.00840 · arxiv_version: 1508.00840v1 · doi: 10.48550/arxiv.1508.00840 · pith_short_12: OB6RC6R2OFYT · pith_short_16: OB6RC6R2OFYTLG33 · pith_short_8: OB6RC6R2

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/OB6RC6R2OFYTLG33XNNHNQGKTX \
  | 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: 707d117a3a7171359b7bbb5a76c0ca9dd9bd52519640d801a31e9cf0d0960f6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70c8fa8db561ee5aaf646d6f2885d75a0c8681ea08943599f18348ec90f5007d",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-08-04T17:20:13Z",
    "title_canon_sha256": "e3a72a5b9f2c1bfe2d60528289340be58cbabce6b52704dc935047d6661c3e1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00840",
    "kind": "arxiv",
    "version": 1
  }
}