Pith Number

pith:YRMNNAJ7

pith:2013:YRMNNAJ73HFWKD3T5FO7QL2ETG

not attested not anchored not stored refs pending

Ruled surfaces asymptotically normalized

Ioannis Kaffas, Stylianos Stamatakis

arxiv:1307.6146 v1 · 2013-07-23 · 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{YRMNNAJ73HFWKD3T5FO7QL2ETG}

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	2026-05-18T03:17:45.194873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c458d6813fd9cb650f73e95df82f4499ae18fd5f3bb82448bb0c3944cddbf104

Aliases

arxiv: 1307.6146 · arxiv_version: 1307.6146v1 · doi: 10.48550/arxiv.1307.6146 · pith_short_12: YRMNNAJ73HFW · pith_short_16: YRMNNAJ73HFWKD3T · pith_short_8: YRMNNAJ7

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/YRMNNAJ73HFWKD3T5FO7QL2ETG \
  | 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: c458d6813fd9cb650f73e95df82f4499ae18fd5f3bb82448bb0c3944cddbf104

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cc26be3efdd2caff5acc62cc4096e2811a03c4e9308e7b84891ba4a6ce6a24c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-07-23T16:41:27Z",
    "title_canon_sha256": "25ef70eaf4f6a896b3c3e08f7c83a36d172e111cf44423164b068bb692a2c6e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6146",
    "kind": "arxiv",
    "version": 1
  }
}