Pith Number

pith:H6DS6LW4

pith:2012:H6DS6LW4TQDVV7G2FIGEMM7S6N

not attested not anchored not stored refs pending

Automorphisms and quotients of quaternionic fake quadrics

Amir Dzambic, Xavier Roulleau

arxiv:1201.5051 v3 · 2012-01-24 · 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{H6DS6LW4TQDVV7G2FIGEMM7S6N}

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	2026-05-18T01:22:26.938040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f872f2edc9c075afcda2a0c4633f2f36a6e18fe6cbd36d8943b505ba7608901

Aliases

arxiv: 1201.5051 · arxiv_version: 1201.5051v3 · doi: 10.48550/arxiv.1201.5051 · pith_short_12: H6DS6LW4TQDV · pith_short_16: H6DS6LW4TQDVV7G2 · pith_short_8: H6DS6LW4

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/H6DS6LW4TQDVV7G2FIGEMM7S6N \
  | 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: 3f872f2edc9c075afcda2a0c4633f2f36a6e18fe6cbd36d8943b505ba7608901

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50c12b9cbee085a6599dc9929ea22724afd1f88eb87c7bfba0ce6e5f5c098875",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-01-24T17:00:49Z",
    "title_canon_sha256": "bdeee6c59138a4b6bd9abc2b3e5c17f934a6dfe60079e3e75d97d59491a07b49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5051",
    "kind": "arxiv",
    "version": 3
  }
}