Pith Number

pith:XKIVQBVB

pith:2014:XKIVQBVB72DAX73OVKPU7NP4CX

not attested not anchored not stored refs pending

Yet another sphere eversion

Arnaud Ch\'eritat

arxiv:1410.4417 v2 · 2014-10-16 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XKIVQBVB72DAX73OVKPU7NP4CX}

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	2026-05-18T02:39:08.362818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba915806a1fe860bff6eaa9f4fb5fc15d6741a626f377481024cd32d6fb57393

Aliases

arxiv: 1410.4417 · arxiv_version: 1410.4417v2 · doi: 10.48550/arxiv.1410.4417 · pith_short_12: XKIVQBVB72DA · pith_short_16: XKIVQBVB72DAX73O · pith_short_8: XKIVQBVB

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/XKIVQBVB72DAX73OVKPU7NP4CX \
  | 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: ba915806a1fe860bff6eaa9f4fb5fc15d6741a626f377481024cd32d6fb57393

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d768ad32f748f3b2d1a0822aabf9c73295b5550d844d15e2c5081f7edae4225",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-10-16T13:39:07Z",
    "title_canon_sha256": "4fdfcd2370ef2fe8ed6d33efc3981cbe6796ca22b8b3ea8dd2ed1436a2b44003"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4417",
    "kind": "arxiv",
    "version": 2
  }
}