Pith Number

pith:WBWFLOPG

pith:2013:WBWFLOPGYOF5BUY4JCXBMHHMED

not attested not anchored not stored refs pending

Knotted Nematics

Gareth P. Alexander, Thomas Machon

arxiv:1307.6819 v3 · 2013-07-25 · cond-mat.soft · 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{WBWFLOPGYOF5BUY4JCXBMHHMED}

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	2026-05-18T03:12:47.970432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b06c55b9e6c38bd0d31c48ae161cec20dcd8d6e396caf26a17a80be37ebc3528

Aliases

arxiv: 1307.6819 · arxiv_version: 1307.6819v3 · doi: 10.48550/arxiv.1307.6819 · pith_short_12: WBWFLOPGYOF5 · pith_short_16: WBWFLOPGYOF5BUY4 · pith_short_8: WBWFLOPG

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/WBWFLOPGYOF5BUY4JCXBMHHMED \
  | 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: b06c55b9e6c38bd0d31c48ae161cec20dcd8d6e396caf26a17a80be37ebc3528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7766bdd29ce6243efd158344447a9af9153010213d5a7036247e7eddb8f83790",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2013-07-25T17:30:21Z",
    "title_canon_sha256": "abfd5d7f8a83ffa9f07d591fe0d31f874005f0af449e90ca6fefdca6a22a504a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6819",
    "kind": "arxiv",
    "version": 3
  }
}