Pith Number

pith:U57FPNB7

pith:2015:U57FPNB7KYCHFNLQS2P7LEQLQI

not attested not anchored not stored refs pending

The magnetic field topology and chemical abundance distributions of the Ap star HD 32633

G.A. Wade, J. Silvester, O. Kochukhov

arxiv:1508.00224 v1 · 2015-08-02 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U57FPNB7KYCHFNLQS2P7LEQLQI}

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	2026-05-18T01:33:41.963786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a77e57b43f560472b570969ff5920b821cedf07a67f7c4aea2a2b9d1a4d851d5

Aliases

arxiv: 1508.00224 · arxiv_version: 1508.00224v1 · doi: 10.48550/arxiv.1508.00224 · pith_short_12: U57FPNB7KYCH · pith_short_16: U57FPNB7KYCHFNLQ · pith_short_8: U57FPNB7

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/U57FPNB7KYCHFNLQS2P7LEQLQI \
  | 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: a77e57b43f560472b570969ff5920b821cedf07a67f7c4aea2a2b9d1a4d851d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "becf51c09475c5a6256ab56382d4963afb6fad379c103ec064dc72655442a360",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-02T12:41:01Z",
    "title_canon_sha256": "27b3db47280fa601b8539cdf867816b5e5f145308e072bb94ae93d530556c9ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00224",
    "kind": "arxiv",
    "version": 1
  }
}