Pith Number

pith:OM3MD3CI

pith:2013:OM3MD3CIEIOAMHFT2TCTBMV6T3

not attested not anchored not stored refs pending

Slicing a 2-sphere

Yevgeny Liokumovich

arxiv:1401.0060 v2 · 2013-12-31 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OM3MD3CIEIOAMHFT2TCTBMV6T3}

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	2026-05-18T02:48:46.478271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7336c1ec48221c061cb3d4c530b2be9ed372ca3783eb9c3cf1bf012506494583

Aliases

arxiv: 1401.0060 · arxiv_version: 1401.0060v2 · doi: 10.48550/arxiv.1401.0060 · pith_short_12: OM3MD3CIEIOA · pith_short_16: OM3MD3CIEIOAMHFT · pith_short_8: OM3MD3CI

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/OM3MD3CIEIOAMHFT2TCTBMV6T3 \
  | 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: 7336c1ec48221c061cb3d4c530b2be9ed372ca3783eb9c3cf1bf012506494583

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6ce97712767ad822867619580b2d04042b1722c08df48e62e127c740da3004",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-12-31T00:39:36Z",
    "title_canon_sha256": "ab4d711c033fc47a6ce55da9560cdc9c8b3ce2c5ed0c1155d3695c66b5dd7196"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0060",
    "kind": "arxiv",
    "version": 2
  }
}