Pith Number

pith:E2GCAJDI

pith:2013:E2GCAJDIEBPAK3SMWM7G7RCQHI

not attested not anchored not stored refs pending

Isotopy and Homotopy Invariants of Classical and Virtual Pseudoknots

Allison Henrich, Francois Dorais, Inga Johnson, Slavik Jablan

arxiv:1311.3658 v1 · 2013-11-14 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2GCAJDIEBPAK3SMWM7G7RCQHI}

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	2026-05-18T03:07:04.177840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

268c202468205e056e4cb33e6fc4503a0df6b9dc7cc43fa9e6c2053080e07343

Aliases

arxiv: 1311.3658 · arxiv_version: 1311.3658v1 · doi: 10.48550/arxiv.1311.3658 · pith_short_12: E2GCAJDIEBPA · pith_short_16: E2GCAJDIEBPAK3SM · pith_short_8: E2GCAJDI

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/E2GCAJDIEBPAK3SMWM7G7RCQHI \
  | 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: 268c202468205e056e4cb33e6fc4503a0df6b9dc7cc43fa9e6c2053080e07343

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3240ba12cbd36ac71d78c265257072f8dfb56f66f9517ad1c585269933a9088c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2013-11-14T20:57:37Z",
    "title_canon_sha256": "376b3f04f7c0e93e68623dbcc0c9a9a69e8b265ce8f26acaa1baca263dbf4f75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3658",
    "kind": "arxiv",
    "version": 1
  }
}