Pith Number

pith:QZBEL4NX

pith:2016:QZBEL4NX6SAJNWCN4A4F55D35G

not attested not anchored not stored refs pending

Transfer of quadratic forms and of quaternion algebras over quadratic field extensions

Jean-Pierre Tignol, Karim Johannes Becher, Nicolas Grenier-Boley

arxiv:1610.06096 v1 · 2016-10-19 · math.KT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZBEL4NX6SAJNWCN4A4F55D35G}

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	2026-05-18T01:01:50.046547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

864245f1b7f48096d84de0385ef47be9998d2e0fca3a102a61a1676237c1fdd2

Aliases

arxiv: 1610.06096 · arxiv_version: 1610.06096v1 · doi: 10.48550/arxiv.1610.06096 · pith_short_12: QZBEL4NX6SAJ · pith_short_16: QZBEL4NX6SAJNWCN · pith_short_8: QZBEL4NX

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/QZBEL4NX6SAJNWCN4A4F55D35G \
  | 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: 864245f1b7f48096d84de0385ef47be9998d2e0fca3a102a61a1676237c1fdd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d29664b6efa7738d2942bf48de7a64ebb00a5b1ca577aa7353f238d20fb6758",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2016-10-19T16:33:33Z",
    "title_canon_sha256": "e5820462e884caef522126146ea759f9af46bccd0af37a4aca2e3570e5c19595"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06096",
    "kind": "arxiv",
    "version": 1
  }
}