Pith Number

pith:APAA2L3P

pith:2018:APAA2L3PGBWWAEGLK2EXPK5SIH

not attested not anchored not stored refs pending

Probing the rotational velocity of Galactic WO stars with spectropolarimetry

B. Davies, G. Rate, H. F. Stevance, J. R. Maund, P. A. Crowther, R. Ignace

arxiv:1807.02117 v2 · 2018-07-05 · 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{APAA2L3PGBWWAEGLK2EXPK5SIH}

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	2026-05-18T00:09:10.948649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03c00d2f6f306d6010cb568977abb241e38939fa7b4429d3f1bee7255e1adb73

Aliases

arxiv: 1807.02117 · arxiv_version: 1807.02117v2 · doi: 10.48550/arxiv.1807.02117 · pith_short_12: APAA2L3PGBWW · pith_short_16: APAA2L3PGBWWAEGL · pith_short_8: APAA2L3P

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/APAA2L3PGBWWAEGLK2EXPK5SIH \
  | 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: 03c00d2f6f306d6010cb568977abb241e38939fa7b4429d3f1bee7255e1adb73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "465992899ca933316255974c8a202d1c3e7e48c69ace0dea3245849c4f3e8800",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-05T18:00:00Z",
    "title_canon_sha256": "7934f1658e3bf1bcb9529d41b1b6e4eaf0b683dd90eb5bed56fbafbc15adf3b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02117",
    "kind": "arxiv",
    "version": 2
  }
}