Pith Number

pith:G7TLFMNX

pith:2014:G7TLFMNXNUXAKI3UV2PQYV62MH

not attested not anchored not stored refs pending

A robust method for calculating interface curvature and normal vectors using an extracted local level set

{\AA}smund Ervik, Karl Yngve Lerv{\aa}g, Svend Tollak Munkejord

arxiv:1405.0829 v1 · 2014-05-05 · physics.flu-dyn · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G7TLFMNXNUXAKI3UV2PQYV62MH}

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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	2026-05-18T02:41:53.119902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37e6b2b1b76d2e052374ae9f0c57da61d2d79670ad8afc5f1ce3fd3461d7d70e

Aliases

arxiv: 1405.0829 · arxiv_version: 1405.0829v1 · doi: 10.48550/arxiv.1405.0829 · pith_short_12: G7TLFMNXNUXA · pith_short_16: G7TLFMNXNUXAKI3U · pith_short_8: G7TLFMNX

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/G7TLFMNXNUXAKI3UV2PQYV62MH \
  | 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: 37e6b2b1b76d2e052374ae9f0c57da61d2d79670ad8afc5f1ce3fd3461d7d70e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "854723d2d2a7e1778911abcc579b40ec59219c79d0ca6e3e985ac8dce87fdce9",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-05-05T09:15:01Z",
    "title_canon_sha256": "db6398c696969d36ed27cd25c3bc0ca9d987969847c93a85ba0b3307bf1bf34e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0829",
    "kind": "arxiv",
    "version": 1
  }
}