Pith Number

pith:UYN2YN3T

pith:2012:UYN2YN3TRGWCJXICQIUKHXF754

not attested not anchored not stored refs pending

Construction of Permutation Snarks

Arthur Hoffmann-Ostenhof, Jonas H\"agglund

arxiv:1208.3230 v1 · 2012-08-15 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UYN2YN3TRGWCJXICQIUKHXF754}

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	2026-05-18T03:48:36.463949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a61bac377389ac24dd028228a3dcbfef2b9034ba72f8db151d77da5a3c4e5d49

Aliases

arxiv: 1208.3230 · arxiv_version: 1208.3230v1 · doi: 10.48550/arxiv.1208.3230 · pith_short_12: UYN2YN3TRGWC · pith_short_16: UYN2YN3TRGWCJXIC · pith_short_8: UYN2YN3T

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/UYN2YN3TRGWCJXICQIUKHXF754 \
  | 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: a61bac377389ac24dd028228a3dcbfef2b9034ba72f8db151d77da5a3c4e5d49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37983389f3ccd1dc8f6926212e90f960e7fe660360cc314f3b02bec30cc25973",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-08-15T21:17:32Z",
    "title_canon_sha256": "7c9bf4028754f29f66839584b42005b4d93b4728a2b17eba5f155a1bec3a0fe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3230",
    "kind": "arxiv",
    "version": 1
  }
}