Pith Number

pith:X6RBJRJJ

pith:2011:X6RBJRJJDQI6RS2F5CJF2U5DIS

not attested not anchored not stored refs pending

The Atomic Physics Underlying the Spectroscopic Analysis of Massive Stars and Supernovae

D. John Hillier

arxiv:1101.5372 v1 · 2011-01-27 · astro-ph.HE · 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{X6RBJRJJDQI6RS2F5CJF2U5DIS}

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	2026-05-18T02:03:21.184214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfa214c5291c11e8cb45e8925d53a3449d8d9450fc2f67b742bdf4b648ca292f

Aliases

arxiv: 1101.5372 · arxiv_version: 1101.5372v1 · doi: 10.48550/arxiv.1101.5372 · pith_short_12: X6RBJRJJDQI6 · pith_short_16: X6RBJRJJDQI6RS2F · pith_short_8: X6RBJRJJ

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/X6RBJRJJDQI6RS2F5CJF2U5DIS \
  | 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: bfa214c5291c11e8cb45e8925d53a3449d8d9450fc2f67b742bdf4b648ca292f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8594d80c152b33dc45f6595fcc52dbc461780092acae997ac543a929d28aa39d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-01-27T19:56:23Z",
    "title_canon_sha256": "b44579c0d26836b6949e4938ceba7aeaa7d6d9b849092a0e8b830d0242b29916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5372",
    "kind": "arxiv",
    "version": 1
  }
}