Pith Number

pith:V6HDT3JU

pith:2011:V6HDT3JUFONEU7VZMG7H5C7AAB

not attested not anchored not stored refs pending

The Augmented Fast Marching Method for Level Set Reinitialization

David Salac

arxiv:1111.6903 v1 · 2011-11-29 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6HDT3JUFONEU7VZMG7H5C7AAB}

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	2026-05-18T04:07:28.284404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af8e39ed342b9a4a7eb961be7e8be000448a7566cda0cebe2d4b6013859e0c38

Aliases

arxiv: 1111.6903 · arxiv_version: 1111.6903v1 · doi: 10.48550/arxiv.1111.6903 · pith_short_12: V6HDT3JUFONE · pith_short_16: V6HDT3JUFONEU7VZ · pith_short_8: V6HDT3JU

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/V6HDT3JUFONEU7VZMG7H5C7AAB \
  | 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: af8e39ed342b9a4a7eb961be7e8be000448a7566cda0cebe2d4b6013859e0c38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6309c82b4e7a47b8e6a3129f7e84c53eae6be27149c369157f6e66d57b3db6bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-11-29T17:08:27Z",
    "title_canon_sha256": "4cf57a81b2bac7f785bca3dc2a3f29375b8f82be504252b79f91e6862d9c86ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6903",
    "kind": "arxiv",
    "version": 1
  }
}