Pith Number

pith:D23DRM5R

pith:2013:D23DRM5RSPPO74YOOKQEX74RFF

not attested not anchored not stored refs pending

Constructing Skolem sequences via generating trees

Lily Yen, Sophie Burrill

arxiv:1301.6424 v1 · 2013-01-28 · 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{D23DRM5RSPPO74YOOKQEX74RFF}

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	2026-05-18T03:35:15.403516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1eb638b3b193deeff30e72a04bff91296292144ad272553999bc7a1659e8a039

Aliases

arxiv: 1301.6424 · arxiv_version: 1301.6424v1 · doi: 10.48550/arxiv.1301.6424 · pith_short_12: D23DRM5RSPPO · pith_short_16: D23DRM5RSPPO74YO · pith_short_8: D23DRM5R

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/D23DRM5RSPPO74YOOKQEX74RFF \
  | 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: 1eb638b3b193deeff30e72a04bff91296292144ad272553999bc7a1659e8a039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eeaa5013eba6e6bd577ad87f71f0dacef5f91d052066afd9cdbb795918d3a43d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-01-28T01:40:56Z",
    "title_canon_sha256": "c1e2c6c3861716f7772cadb4797a35259901e00b0b9db2e76adc6fa38e7c8e1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6424",
    "kind": "arxiv",
    "version": 1
  }
}