Pith Number

pith:OQJYMUEP

pith:2018:OQJYMUEPS2CLDE7RAFMHZCVPXK

not attested not anchored not stored refs pending

Searching for the weakest detectable magnetic fields in white dwarfs. Highly-sensitive measurements from first VLT and WHT surveys

John D. Landstreet, Stefano Bagnulo

arxiv:1807.09649 v1 · 2018-07-25 · 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{OQJYMUEPS2CLDE7RAFMHZCVPXK}

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	2026-05-18T00:02:31.585461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

741386508f9684b193f101587c8aafba999e529889ef3dc1341decf10de11abc

Aliases

arxiv: 1807.09649 · arxiv_version: 1807.09649v1 · doi: 10.48550/arxiv.1807.09649 · pith_short_12: OQJYMUEPS2CL · pith_short_16: OQJYMUEPS2CLDE7R · pith_short_8: OQJYMUEP

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/OQJYMUEPS2CLDE7RAFMHZCVPXK \
  | 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: 741386508f9684b193f101587c8aafba999e529889ef3dc1341decf10de11abc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb0fd24d43eda80d7634cf2b0cd572241077d170af5458dfea640412f1b7a756",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-25T14:57:51Z",
    "title_canon_sha256": "6d8338ed8835e670160e289859eb14d7c7a339dcc329d97639a7b3bca58e6562"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09649",
    "kind": "arxiv",
    "version": 1
  }
}