Pith Number

pith:QZ6WC3DF

pith:2015:QZ6WC3DFKRJOUWFYFWMUZR2XQE

not attested not anchored not stored refs pending

Spectropolarimetry of SN 2011dh in M51: geometric insights on a Type IIb supernova progenitor and explosion

Alexei V. Filippenko, Avishay Gal-Yam, Douglas C. Leonard, G. Grant Williams, Jeffrey M. Silverman, Jennifer L. Hoffman, Jon C. Mauerhan, Kelsey I. Clubb, Leah Huk, Nathan Smith, Paul S. Smith, Peter Milne, Sagi Ben-Ami, S. Bradley Cenko

arxiv:1506.08844 v2 · 2015-06-29 · 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{QZ6WC3DFKRJOUWFYFWMUZR2XQE}

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	2026-05-18T01:31:38.008619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

867d616c655452ea58b82d994cc7578127a97e23bfca8995bcd87f86e23d4ee1

Aliases

arxiv: 1506.08844 · arxiv_version: 1506.08844v2 · doi: 10.48550/arxiv.1506.08844 · pith_short_12: QZ6WC3DFKRJO · pith_short_16: QZ6WC3DFKRJOUWFY · pith_short_8: QZ6WC3DF

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/QZ6WC3DFKRJOUWFYFWMUZR2XQE \
  | 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: 867d616c655452ea58b82d994cc7578127a97e23bfca8995bcd87f86e23d4ee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69ed556def14cdbd956510b1e479d34db1a301f5788d05c69cc30265c00ff1c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-29T20:17:19Z",
    "title_canon_sha256": "1e12af82c0db92b0bff626ad56f3b9b0f9dac8b5af21ad1471d6956713870f81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08844",
    "kind": "arxiv",
    "version": 2
  }
}