Pith Number

pith:QWXEBHBM

pith:2010:QWXEBHBMZE5FBSFXK7AIL4IUET

not attested not anchored not stored refs pending

Toward Abhyankar's Inertia Conjecture for PSL_2(\ell)

Andrew Obus

arxiv:1010.2819 v2 · 2010-10-14 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWXEBHBMZE5FBSFXK7AIL4IUET}

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	2026-05-18T02:26:01.439524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85ae409c2cc93a50c8b757c085f11424ca800a9b8ae00b20b122a0d7eda5b216

Aliases

arxiv: 1010.2819 · arxiv_version: 1010.2819v2 · doi: 10.48550/arxiv.1010.2819 · pith_short_12: QWXEBHBMZE5F · pith_short_16: QWXEBHBMZE5FBSFX · pith_short_8: QWXEBHBM

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/QWXEBHBMZE5FBSFXK7AIL4IUET \
  | 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: 85ae409c2cc93a50c8b757c085f11424ca800a9b8ae00b20b122a0d7eda5b216

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe892a80a1aa8eb876afa1dab71e598257bd33b0ba556d53a94783bc6d368798",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-10-14T04:51:25Z",
    "title_canon_sha256": "a268b4ea74a705381049001f5d41a64216a916131b4e9e617a15da71a3c54280"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2819",
    "kind": "arxiv",
    "version": 2
  }
}