Pith Number

pith:373DPKFU

pith:2013:373DPKFU4G7TKBAQ43TRULRP6F

not attested not anchored not stored refs pending

Surfaces of small diameter with large width

Yevgeny Liokumovich

arxiv:1307.2306 v2 · 2013-07-08 · 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{373DPKFU4G7TKBAQ43TRULRP6F}

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	2026-05-18T03:07:12.147960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dff637a8b4e1bf350410e6e71a2e2ff17990b05055e112fc9bec05fc41195dad

Aliases

arxiv: 1307.2306 · arxiv_version: 1307.2306v2 · doi: 10.48550/arxiv.1307.2306 · pith_short_12: 373DPKFU4G7T · pith_short_16: 373DPKFU4G7TKBAQ · pith_short_8: 373DPKFU

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/373DPKFU4G7TKBAQ43TRULRP6F \
  | 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: dff637a8b4e1bf350410e6e71a2e2ff17990b05055e112fc9bec05fc41195dad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b8f55f91ca5144cf161febcc4d39e94cff514b4a5ed0ec9c8d69457652473ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-07-08T23:51:24Z",
    "title_canon_sha256": "2be661ca602c4621bcb8df58fabfa4e8a74ef248ab39c8605ee28964127f770d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2306",
    "kind": "arxiv",
    "version": 2
  }
}