Pith Number

pith:EPGJSYGF

pith:2010:EPGJSYGFMIGUECJHX3QPA6EBWW

not attested not anchored not stored refs pending

Uniqueness and existence of spirals moving by forced mean curvature motion

Cyril Imbert (CEREMADE), Nicolas Forcadel (CEREMADE), R\'egis Monneau (CERMICS)

arxiv:1002.0326 v3 · 2010-02-01 · 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{EPGJSYGFMIGUECJHX3QPA6EBWW}

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	2026-05-18T03:40:03.770133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23cc9960c5620d420927bee0f07881b58fe4a033405a7886b6a3843b5363160e

Aliases

arxiv: 1002.0326 · arxiv_version: 1002.0326v3 · doi: 10.48550/arxiv.1002.0326 · pith_short_12: EPGJSYGFMIGU · pith_short_16: EPGJSYGFMIGUECJH · pith_short_8: EPGJSYGF

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/EPGJSYGFMIGUECJHX3QPA6EBWW \
  | 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: 23cc9960c5620d420927bee0f07881b58fe4a033405a7886b6a3843b5363160e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5b67241194d4b0f4feec65cb6a2c297bdb4578d540cfdb611e4bfd59b2ffe01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-02-01T20:40:49Z",
    "title_canon_sha256": "d48567a139729f785f2d4a875f123cd4a3cf8917864a8d16579af415f8903b7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0326",
    "kind": "arxiv",
    "version": 3
  }
}