Pith Number

pith:AYA345NS

pith:2018:AYA345NSCTP7CD2EDJHS2MLUVQ

not attested not anchored not stored refs pending

Cyclicity and indecomposability in the Brauer group of a $p$-adic curve

Eduardo Tengan

arxiv:1802.02322 v2 · 2018-02-07 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYA345NSCTP7CD2EDJHS2MLUVQ}

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	2026-05-17T23:49:33.679785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0601be75b214dff10f441a4f2d3174ac1285961e04e90b71dd40cbe68287c51e

Aliases

arxiv: 1802.02322 · arxiv_version: 1802.02322v2 · doi: 10.48550/arxiv.1802.02322 · pith_short_12: AYA345NSCTP7 · pith_short_16: AYA345NSCTP7CD2E · pith_short_8: AYA345NS

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/AYA345NSCTP7CD2EDJHS2MLUVQ \
  | 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: 0601be75b214dff10f441a4f2d3174ac1285961e04e90b71dd40cbe68287c51e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8b9bc8435e3db260e2130321f17bb19245d7783a9c0de2bc5338c9ffe869076",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-02-07T06:50:31Z",
    "title_canon_sha256": "38fa535487b7e78c1b32a9dd101b42fd1f6f2a098bf4184786661f1277786781"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02322",
    "kind": "arxiv",
    "version": 2
  }
}