Pith Number

pith:Q2EEIVL4

pith:2011:Q2EEIVL4NMUPR7VSDEXUBELUXO

not attested not anchored not stored refs pending

Prym-Tjurin Constructions on Cubic Hypersurfaces

Mingmin Shen

arxiv:1111.6327 v4 · 2011-11-28 · 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{Q2EEIVL4NMUPR7VSDEXUBELUXO}

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	2026-05-18T03:09:23.046293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

868844557c6b28f8feb2192f409174bbb8135e6a7d581c52749e249b30dc8efa

Aliases

arxiv: 1111.6327 · arxiv_version: 1111.6327v4 · doi: 10.48550/arxiv.1111.6327 · pith_short_12: Q2EEIVL4NMUP · pith_short_16: Q2EEIVL4NMUPR7VS · pith_short_8: Q2EEIVL4

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/Q2EEIVL4NMUPR7VSDEXUBELUXO \
  | 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: 868844557c6b28f8feb2192f409174bbb8135e6a7d581c52749e249b30dc8efa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5744bb3c26baa18a45365c55d0a947ba11c43cc42bad0fd917b3bec6b1638724",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-11-28T01:18:13Z",
    "title_canon_sha256": "237f7b3d6223400721fda8266a7855a70bb20ea922660d85534b169a66f4927f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6327",
    "kind": "arxiv",
    "version": 4
  }
}