Pith Number

pith:PZ2OQEG4

pith:2010:PZ2OQEG4FF26AONEONUDRLXY7I

not attested not anchored not stored refs pending

X-ray spectral diagnostics of activity in massive stars

David H. Cohen, Emma E. Wollman, Maurice A. Leutenegger

arxiv:1009.5669 v1 · 2010-09-28 · 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{PZ2OQEG4FF26AONEONUDRLXY7I}

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	2026-05-18T02:05:15.978861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e74e810dc2975e039a4736838aef8fa02a114a969eff797e41e65882b0ed685

Aliases

arxiv: 1009.5669 · arxiv_version: 1009.5669v1 · doi: 10.48550/arxiv.1009.5669 · pith_short_12: PZ2OQEG4FF26 · pith_short_16: PZ2OQEG4FF26AONE · pith_short_8: PZ2OQEG4

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/PZ2OQEG4FF26AONEONUDRLXY7I \
  | 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: 7e74e810dc2975e039a4736838aef8fa02a114a969eff797e41e65882b0ed685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddd339177e33253de218d5bd8279e8ae49bd3e35e82455596bc9e06239ad1a0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-28T20:00:01Z",
    "title_canon_sha256": "33af7e54b2b6250c9c58cb00032f55b6176e3d6627ce128b920b04006c1daa4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5669",
    "kind": "arxiv",
    "version": 1
  }
}