Pith Number

pith:BKEIDSWV

pith:2017:BKEIDSWVFW2SYHND2VOI62TPBG

not attested not anchored not stored refs pending

Snarks with special spanning trees

Arthur Hoffmann-Ostenhof, Thomas Jatschka

arxiv:1706.05595 v2 · 2017-06-18 · 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{BKEIDSWVFW2SYHND2VOI62TPBG}

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	2026-05-18T00:03:56.987507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a8881cad52db52c1da3d55c8f6a6f0980cff0e50a5e1c4c418e83e618f7ca58

Aliases

arxiv: 1706.05595 · arxiv_version: 1706.05595v2 · doi: 10.48550/arxiv.1706.05595 · pith_short_12: BKEIDSWVFW2S · pith_short_16: BKEIDSWVFW2SYHND · pith_short_8: BKEIDSWV

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/BKEIDSWVFW2SYHND2VOI62TPBG \
  | 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: 0a8881cad52db52c1da3d55c8f6a6f0980cff0e50a5e1c4c418e83e618f7ca58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f41fe22dec009b24a9c9d070508676cf0707c05b93a6cb056709e5ba3cd2bc0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-06-18T00:10:44Z",
    "title_canon_sha256": "86b1c7feaaadd78afcd6f370852806e09597df0098afa0594911b1f1987e217a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05595",
    "kind": "arxiv",
    "version": 2
  }
}