Pith Number

pith:NBM6EK63

pith:2018:NBM6EK63M5PSRLUPGR2SGEFRP3

not attested not anchored not stored refs pending

Equivalent elastica knots

Alain J. Brizard, David Pfefferl\'e

arxiv:1807.04696 v1 · 2018-07-12 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBM6EK63M5PSRLUPGR2SGEFRP3}

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	2026-05-18T00:10:52.749638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6859e22bdb675f28ae8f34752310b17eea4c49e5745d1cf61bedbb2669a98f6b

Aliases

arxiv: 1807.04696 · arxiv_version: 1807.04696v1 · doi: 10.48550/arxiv.1807.04696 · pith_short_12: NBM6EK63M5PS · pith_short_16: NBM6EK63M5PSRLUP · pith_short_8: NBM6EK63

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/NBM6EK63M5PSRLUPGR2SGEFRP3 \
  | 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: 6859e22bdb675f28ae8f34752310b17eea4c49e5745d1cf61bedbb2669a98f6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8db6aac5a6d6d8b3702e00a025421eadc66e305c7009fb1ffc4d35b92d1bcf2a",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-07-12T16:04:56Z",
    "title_canon_sha256": "2bff88260f0a27b0fd8816efc24344f92779a096fbd80f599f8f44bc6c8bd8ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04696",
    "kind": "arxiv",
    "version": 1
  }
}