Pith Number

pith:7C5BRXHW

pith:2006:7C5BRXHWNKN3N72R2GWPNTFPFQ

not attested not anchored not stored refs pending

No mass drop for mean curvature flow of mean convex hypersurfaces

Felix Schulze, Jan Metzger

arxiv:math/0610217 v1 · 2006-10-06 · math.AP · 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{7C5BRXHWNKN3N72R2GWPNTFPFQ}

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	2026-07-04T14:57:07.028576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8ba18dcf66a9bb6ff51d1acf6ccaf2c0508a87bea8eab7c1448623e273c3530

Aliases

arxiv: math/0610217 · arxiv_version: math/0610217v1 · doi: 10.48550/arxiv.math/0610217 · pith_short_12: 7C5BRXHWNKN3 · pith_short_16: 7C5BRXHWNKN3N72R · pith_short_8: 7C5BRXHW

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/7C5BRXHWNKN3N72R2GWPNTFPFQ \
  | 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: f8ba18dcf66a9bb6ff51d1acf6ccaf2c0508a87bea8eab7c1448623e273c3530

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "435f5e9c3b05c0a7052b1a3e3b00155e5259a6c0e0fc43c8d5cd4b6a8185ab24",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "2006-10-06T17:42:56Z",
    "title_canon_sha256": "822602c95d2ae2d88dc21d65d59bc0a57cc99254bbf987cae8177347f209c621"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0610217",
    "kind": "arxiv",
    "version": 1
  }
}