Pith Number

pith:HPWSFU7M

pith:2017:HPWSFU7MXZ7S6HLD77RY273WLF

not attested not anchored not stored refs pending

Non-Local Thermodynamic Equilibrium abundance analyses of the extreme helium stars: V652 Her and HD 144941

(2) University of Texas at Austin USA), David L. Lambert (2) ((1) Indian Institute of Astrophysics Bangalore India, Gajendra Pandey (1)

arxiv:1708.07945 v1 · 2017-08-26 · 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{HPWSFU7MXZ7S6HLD77RY273WLF}

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	2026-05-18T00:33:13.543200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bed22d3ecbe7f2f1d63ffe38d7f7659512cad3ec4d308e43cf16d75b696f5c7

Aliases

arxiv: 1708.07945 · arxiv_version: 1708.07945v1 · doi: 10.48550/arxiv.1708.07945 · pith_short_12: HPWSFU7MXZ7S · pith_short_16: HPWSFU7MXZ7S6HLD · pith_short_8: HPWSFU7M

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/HPWSFU7MXZ7S6HLD77RY273WLF \
  | 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: 3bed22d3ecbe7f2f1d63ffe38d7f7659512cad3ec4d308e43cf16d75b696f5c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a405411f5c4352e7f498678b1b981f187fcb2323b01a050e780f13f0b657bace",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-08-26T07:25:15Z",
    "title_canon_sha256": "8ec9ab30b557193c7786090a9df2026c63473b9af4c39ad7a0fd096127fe795f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07945",
    "kind": "arxiv",
    "version": 1
  }
}