Pith Number

pith:NFCRUVTV

pith:2017:NFCRUVTVODH66ZAEVYRYEFX4JS

not attested not anchored not stored refs pending

Trefoil knot structure during reconnection

Robert M. Kerr

arxiv:1703.01676 v3 · 2017-03-05 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFCRUVTVODH66ZAEVYRYEFX4JS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:43:39.310700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69451a567570cfef6404ae238216fc4c8450c85fbcddd5a42b5c7316fabd892d

Aliases

arxiv: 1703.01676 · arxiv_version: 1703.01676v3 · doi: 10.48550/arxiv.1703.01676 · pith_short_12: NFCRUVTVODH6 · pith_short_16: NFCRUVTVODH66ZAE · pith_short_8: NFCRUVTV

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/NFCRUVTVODH66ZAEVYRYEFX4JS \
  | 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: 69451a567570cfef6404ae238216fc4c8450c85fbcddd5a42b5c7316fabd892d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13d736d1f2526afae4abd0ba374a02e08a9a9033b42bff6a881158eea8b82cc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-03-05T22:20:07Z",
    "title_canon_sha256": "a3eceabdd9432ff2aaa074f852676a52f33fed38389ad7752bbe6cfa3df24ba9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01676",
    "kind": "arxiv",
    "version": 3
  }
}