Pith Number

pith:M7BI7GWL

pith:2011:M7BI7GWL77FHQBJNON4ILDOGUV

not attested not anchored not stored refs pending

A proof of equivalence between level lines shortening and curvature motion in image processing

Adina Ciomaga, Jean-Michel Morel

arxiv:1102.1244 v2 · 2011-02-07 · 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{M7BI7GWL77FHQBJNON4ILDOGUV}

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	2026-05-18T02:22:40.129587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67c28f9acbffca78052d7378858dc6a55f47f02601170ad81bd9dfb2f8d4114a

Aliases

arxiv: 1102.1244 · arxiv_version: 1102.1244v2 · doi: 10.48550/arxiv.1102.1244 · pith_short_12: M7BI7GWL77FH · pith_short_16: M7BI7GWL77FHQBJN · pith_short_8: M7BI7GWL

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/M7BI7GWL77FHQBJNON4ILDOGUV \
  | 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: 67c28f9acbffca78052d7378858dc6a55f47f02601170ad81bd9dfb2f8d4114a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2580990d83469d8452843a6ab891c47ef118b05a9b347c7eb42472a99bf01cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-02-07T08:41:44Z",
    "title_canon_sha256": "6b735c8495baf5fe3de456264ea77b98dd77e641f6b6dc9534c756038ae4a1cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1244",
    "kind": "arxiv",
    "version": 2
  }
}