Pith Number

pith:KDEPHTBK

pith:2002:KDEPHTBKNA6YRXL73QAAAB3PG4

not attested not anchored not stored refs pending

Rev\^etements \'etales et groupe fondamental (SGA 1)

Alexander Grothendieck (IHES, Bures), Michele Raynaud (Univ. Tours)

arxiv:math/0206203 v2 · 2002-06-20 · math.AG · math.CT · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDEPHTBKNA6YRXL73QAAAB3PG4}

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.

Cited by

2 papers in Pith

Entanglement of Sections: The pushout of entangled and parameterized quantum information

A Global Model Structure for $\mathbb{K}$-Linear $\infty$-Local Systems

Receipt and verification

First computed	2026-07-04T14:36:16.742697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50c8f3cc2a683d88dd7fdc0000076f37355a568ad9e3fb534f4be2febd46c9bb

Aliases

arxiv: math/0206203 · arxiv_version: math/0206203v2 · doi: 10.48550/arxiv.math/0206203 · pith_short_12: KDEPHTBKNA6Y · pith_short_16: KDEPHTBKNA6YRXL7 · pith_short_8: KDEPHTBK

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/KDEPHTBKNA6YRXL73QAAAB3PG4 \
  | 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: 50c8f3cc2a683d88dd7fdc0000076f37355a568ad9e3fb534f4be2febd46c9bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a61984616f7106653d04c7feedd7277c743f10242749feebac886fab8d00ead",
    "cross_cats_sorted": [
      "math.CT",
      "math.NT"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2002-06-20T01:34:55Z",
    "title_canon_sha256": "9ffba4a2889aa327ecffe310e574a5f8ba17fa3dd8e6cb74c261d3287c3754e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0206203",
    "kind": "arxiv",
    "version": 2
  }
}