Pith Number

pith:EITWXGMH

pith:2012:EITWXGMHQVE65UNOG65KZCW3TB

not attested not anchored not stored refs pending

Supernova Resonance--scattering Line Profiles in the Absence of a Photosphere

Bin Chen, Brian Friesen, David Branch, E. Baron, Jerod T. Parrent, R. C. Thomas

arxiv:1209.3520 v1 · 2012-09-16 · 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{EITWXGMHQVE65UNOG65KZCW3TB}

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	2026-05-18T01:54:27.545174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22276b99878549eed1ae37baac8adb987867c36e4ec57e9e066823cb05f0ca89

Aliases

arxiv: 1209.3520 · arxiv_version: 1209.3520v1 · doi: 10.48550/arxiv.1209.3520 · pith_short_12: EITWXGMHQVE6 · pith_short_16: EITWXGMHQVE65UNO · pith_short_8: EITWXGMH

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/EITWXGMHQVE65UNOG65KZCW3TB \
  | 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: 22276b99878549eed1ae37baac8adb987867c36e4ec57e9e066823cb05f0ca89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecca700f95094d30721ffd8596029c432686b6917cae99c058c02c52ebbc544f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-09-16T21:01:09Z",
    "title_canon_sha256": "081aff9b08becb8779f2da0757a1d4ede7ce640e79f5e387adc16d97b51a7fd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3520",
    "kind": "arxiv",
    "version": 1
  }
}