Pith Number

pith:E23F3IWA

pith:2014:E23F3IWAQ7P23LUYQ5WWYQMWBR

not attested not anchored not stored refs pending

Automorphisms of O'Grady's Manifolds Acting Trivially on Cohomology

Giovanni Mongardi, Malte Wandel

arxiv:1411.0759 v2 · 2014-11-04 · 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{E23F3IWAQ7P23LUYQ5WWYQMWBR}

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	2026-05-18T02:19:42.479829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b65da2c087dfadae98876d6c41960c417b356c65a537d201fcef0dcfc21361

Aliases

arxiv: 1411.0759 · arxiv_version: 1411.0759v2 · doi: 10.48550/arxiv.1411.0759 · pith_short_12: E23F3IWAQ7P2 · pith_short_16: E23F3IWAQ7P23LUY · pith_short_8: E23F3IWA

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/E23F3IWAQ7P23LUYQ5WWYQMWBR \
  | 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: 26b65da2c087dfadae98876d6c41960c417b356c65a537d201fcef0dcfc21361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5bd9735cb7af0445e42479bce000c834416e50f0d6d4de17346a84d19aa89aa6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-11-04T02:17:24Z",
    "title_canon_sha256": "e958a752f834df4fba6ce86c5f157f8e5a93e89373365f499312f98020e67ddc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0759",
    "kind": "arxiv",
    "version": 2
  }
}