Pith Number

pith:Y5NTXNLI

pith:2018:Y5NTXNLIHB5MRJUXTJL72KXIYR

not attested not anchored not stored refs pending

Spectropolarimetry of the WR + O Binary WR42

Andrew G. Fullard, Daniel Azancot Luchtan, Jennifer L. Hoffman, Kenneth H. Nordsieck, Kevin Cooper, Sophia DeKlotz

arxiv:1805.08109 v1 · 2018-05-21 · 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{Y5NTXNLIHB5MRJUXTJL72KXIYR}

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	2026-05-18T00:15:27.279826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c75b3bb568387ac8a6979a57fd2ae8c45a5e65a8aaad42163ce8a0fa11a0561b

Aliases

arxiv: 1805.08109 · arxiv_version: 1805.08109v1 · doi: 10.48550/arxiv.1805.08109 · pith_short_12: Y5NTXNLIHB5M · pith_short_16: Y5NTXNLIHB5MRJUX · pith_short_8: Y5NTXNLI

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/Y5NTXNLIHB5MRJUXTJL72KXIYR \
  | 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: c75b3bb568387ac8a6979a57fd2ae8c45a5e65a8aaad42163ce8a0fa11a0561b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30504639bb12297bca343aecb3f2c6af1fecda023361eb151526e11a25d79cda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-21T15:06:47Z",
    "title_canon_sha256": "c2a751f6c74e731a81efda2916b011019a9d02c4bb5eab3857cf783c4d246516"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08109",
    "kind": "arxiv",
    "version": 1
  }
}