Pith Number

pith:BBRW6YQB

pith:2015:BBRW6YQB47SHZE6LSLZWMZEGAV

not attested not anchored not stored refs pending

Pseudo-real principal $G$-bundles over a real curve

Indranil Biswas, Jacques Hurtubise, Oscar Garcia-Prada

arxiv:1502.00563 v3 · 2015-02-02 · 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{BBRW6YQB47SHZE6LSLZWMZEGAV}

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	2026-05-18T01:32:00.902548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08636f6201e7e47c93cb92f36664860542b16a5086ad848eb88922784ded2e5d

Aliases

arxiv: 1502.00563 · arxiv_version: 1502.00563v3 · doi: 10.48550/arxiv.1502.00563 · pith_short_12: BBRW6YQB47SH · pith_short_16: BBRW6YQB47SHZE6L · pith_short_8: BBRW6YQB

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/BBRW6YQB47SHZE6LSLZWMZEGAV \
  | 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: 08636f6201e7e47c93cb92f36664860542b16a5086ad848eb88922784ded2e5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48ff8fbdd279a4ffb6c052f6230b0842af39b7f4e07b3afd5f56ebf163a72999",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-02-02T17:40:48Z",
    "title_canon_sha256": "4acff477c7b38169d9db86941348e9e95da67a7741dafc935dbc836d3497e6a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00563",
    "kind": "arxiv",
    "version": 3
  }
}