Pith Number

pith:WAM7ERFC

pith:2011:WAM7ERFCJSNCCGRS3GSOIW5RRU

not attested not anchored not stored refs pending

The Geometry of T-Varieties

Hendrik S\"u{\ss}, Klaus Altmann, Lars Petersen, Nathan Owen Ilten, Robert Vollmert

arxiv:1102.5760 v2 · 2011-02-28 · 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{WAM7ERFCJSNCCGRS3GSOIW5RRU}

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	2026-05-18T03:40:36.873200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b019f244a24c9a211a32d9a4e45bb18d094483dfa6abeee5967013f104ece545

Aliases

arxiv: 1102.5760 · arxiv_version: 1102.5760v2 · doi: 10.48550/arxiv.1102.5760 · pith_short_12: WAM7ERFCJSNC · pith_short_16: WAM7ERFCJSNCCGRS · pith_short_8: WAM7ERFC

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/WAM7ERFCJSNCCGRS3GSOIW5RRU \
  | 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: b019f244a24c9a211a32d9a4e45bb18d094483dfa6abeee5967013f104ece545

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad99117bbcc723e9779799a18d200dde3a5cc8fdad35d221885225bae1c3dc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-02-28T20:10:54Z",
    "title_canon_sha256": "2fd3d8006daa1ef6bdff4be96bdf2caa1718903600de9da2eef2f83614888090"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5760",
    "kind": "arxiv",
    "version": 2
  }
}