Pith Number

pith:6QEI5TEO

pith:2013:6QEI5TEOFR3NN3GX7ZXOXC55DX

not attested not anchored not stored refs pending

Constraints on porosity and mass loss in O-star winds from modeling of X-ray emission line profile shapes

David H. Cohen, Jon O. Sundqvist, Maurice A. Leutenegger, Stanley P. Owocki

arxiv:1305.5595 v1 · 2013-05-24 · 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{6QEI5TEOFR3NN3GX7ZXOXC55DX}

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	2026-05-18T01:49:47.041889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4088ecc8e2c76d6ecd7fe6eeb8bbd1dc0a90eea21a36c8f2b23f6340260c9f9

Aliases

arxiv: 1305.5595 · arxiv_version: 1305.5595v1 · doi: 10.48550/arxiv.1305.5595 · pith_short_12: 6QEI5TEOFR3N · pith_short_16: 6QEI5TEOFR3NN3GX · pith_short_8: 6QEI5TEO

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/6QEI5TEOFR3NN3GX7ZXOXC55DX \
  | 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: f4088ecc8e2c76d6ecd7fe6eeb8bbd1dc0a90eea21a36c8f2b23f6340260c9f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e463b455bfa9192374fcd45fb69a77ed7d8114d7fe085e72b311d91031f93b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-24T01:21:21Z",
    "title_canon_sha256": "23c496f421c9ce318095da4db1a5dbe78e44b9c0fdb62828c82977fa61fef4a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5595",
    "kind": "arxiv",
    "version": 1
  }
}