Pith Number

pith:HBLBPCSP

pith:2000:HBLBPCSP26S4HBCGJKBUTONMRF

not attested not anchored not stored refs pending

Eclatement de r\'eseaux de quadriques et bord des instantons de degr\'e 3

Nicolas Perrin

arxiv:math/0003201 v1 · 2000-03-29 · 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{HBLBPCSP26S4HBCGJKBUTONMRF}

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	2026-05-18T01:05:38.732674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3856178a4fd7a5c384464a8349b9ac897ac3323961466bc97c034cd379fcfaf4

Aliases

arxiv: math/0003201 · arxiv_version: math/0003201v1 · doi: 10.48550/arxiv.math/0003201 · pith_short_12: HBLBPCSP26S4 · pith_short_16: HBLBPCSP26S4HBCG · pith_short_8: HBLBPCSP

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/HBLBPCSP26S4HBCGJKBUTONMRF \
  | 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: 3856178a4fd7a5c384464a8349b9ac897ac3323961466bc97c034cd379fcfaf4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dc70e2edf1e4d7b286801058188859dd3b875b08b350559f3b614ff165c95f0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2000-03-29T09:29:18Z",
    "title_canon_sha256": "fc853f4e538de5a869605d1901e679b49cd6f4ba3523a39dad494a3291d58c0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0003201",
    "kind": "arxiv",
    "version": 1
  }
}