Pith Number

pith:FS2BUBUZ

pith:2019:FS2BUBUZBOIV6VMDWBB6PQLPGI

not attested not anchored not stored refs pending

The thresholding scheme for mean curvature flow and de Giorgi's ideas for minimizing movements

Felix Otto, Tim Laux

arxiv:1910.11442 v1 · 2019-10-24 · 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{FS2BUBUZBOIV6VMDWBB6PQLPGI}

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	2026-07-05T00:14:46.343586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cb41a06990b915f5583b043e7c16f3234a31eacea5287ed395ba7d03ceb61cf

Aliases

arxiv: 1910.11442 · arxiv_version: 1910.11442v1 · doi: 10.48550/arxiv.1910.11442 · pith_short_12: FS2BUBUZBOIV · pith_short_16: FS2BUBUZBOIV6VMD · pith_short_8: FS2BUBUZ

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/FS2BUBUZBOIV6VMDWBB6PQLPGI \
  | 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: 2cb41a06990b915f5583b043e7c16f3234a31eacea5287ed395ba7d03ceb61cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f5d54f7e83ca84307f5a912baa83b6983c1072eeef6f31ceea9bf4a74a33e7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-10-24T22:17:20Z",
    "title_canon_sha256": "cf387bd7e6302f57edeba71b9fb7e17e01d967b965663a196f6e06b102b44a6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.11442",
    "kind": "arxiv",
    "version": 1
  }
}