Pith Number

pith:EOL6ICDB

pith:2020:EOL6ICDBVP4TUKGX6ZDPCSHHSI

not attested not anchored not stored refs pending

13 Years of P Cygni Spectropolarimetry: Investigating Mass-loss Through H$\alpha$, Periodicity, and Ellipticity

Brian Babler, Emily M. Levesque, Gwendolyn Eadie, Jamie R. Lomax, Jennifer L. Hoffman, John P. Wisniewski, Kenneth Nordsieck, Keyan Gootkin, Marilyn R. Meade, Trevor Dorn-Wallenstein

arxiv:2008.03777 v1 · 2020-08-09 · 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{EOL6ICDBVP4TUKGX6ZDPCSHHSI}

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	2026-07-05T01:35:11.570432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2397e40861abf93a28d7f646f148e79230d9d219056fcd114639c6acdc2167a2

Aliases

arxiv: 2008.03777 · arxiv_version: 2008.03777v1 · doi: 10.48550/arxiv.2008.03777 · pith_short_12: EOL6ICDBVP4T · pith_short_16: EOL6ICDBVP4TUKGX · pith_short_8: EOL6ICDB

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/EOL6ICDBVP4TUKGX6ZDPCSHHSI \
  | 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: 2397e40861abf93a28d7f646f148e79230d9d219056fcd114639c6acdc2167a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efe696314feee9996897e878fc7c7324a641f1f6b4eae69a41e47e9520f8e4e2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-08-09T18:02:47Z",
    "title_canon_sha256": "f566a643cbcd5f19071cfdd32535ea3b73f35ed63b3dbfeab123ba37761fa9a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.03777",
    "kind": "arxiv",
    "version": 1
  }
}