Pith Number

pith:GL5TNYIU

pith:2013:GL5TNYIU6SMJUFUMX6I7C3TNXI

not attested not anchored not stored refs pending

A study of polymer knots using a simple knot invariant written consisting of multiple contour integrals

Franco Ferrari, Yani Zhao

arxiv:1306.5555 v2 · 2013-06-24 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GL5TNYIU6SMJUFUMX6I7C3TNXI}

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	2026-05-18T01:49:08.824166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32fb36e114f4989a168cbf91f16e6dba268e45e4cf2683f4fbd06fd7b6bb9b25

Aliases

arxiv: 1306.5555 · arxiv_version: 1306.5555v2 · doi: 10.48550/arxiv.1306.5555 · pith_short_12: GL5TNYIU6SMJ · pith_short_16: GL5TNYIU6SMJUFUM · pith_short_8: GL5TNYIU

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/GL5TNYIU6SMJUFUMX6I7C3TNXI \
  | 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: 32fb36e114f4989a168cbf91f16e6dba268e45e4cf2683f4fbd06fd7b6bb9b25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "954ac883f5e4f9edd149d6453da63040b9588a0ae213eda97c7cbeb4ef38158d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2013-06-24T09:49:32Z",
    "title_canon_sha256": "802875e884c8bbe22e5a7e62b418746f48a9bcba59dbd2ff822dc9afd9641254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5555",
    "kind": "arxiv",
    "version": 2
  }
}