Pith Number

pith:IYOMHOYU

pith:2013:IYOMHOYUQTLL4DRFVDVOYH6E2J

not attested not anchored not stored refs pending

Nebular spectroscopy of the nearby type IIb supernova 2011dh

Alexei Filippenko, Daniel Kasen, Isaac Shivvers, J\'anos Boty\'anszki, Jeffrey M. Silverman, Kelsey I. Clubb, Paolo Mazzali, S. Bradley Cenko, Schuyler D. Van Dyk

arxiv:1307.2246 v3 · 2013-07-08 · astro-ph.HE · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IYOMHOYUQTLL4DRFVDVOYH6E2J}

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	2026-05-18T03:09:11.703726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

461cc3bb1484d6be0e25a8eaec1fc4d27a534cc9bb485dfd4276f7be543bc3e1

Aliases

arxiv: 1307.2246 · arxiv_version: 1307.2246v3 · doi: 10.48550/arxiv.1307.2246 · pith_short_12: IYOMHOYUQTLL · pith_short_16: IYOMHOYUQTLL4DRF · pith_short_8: IYOMHOYU

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/IYOMHOYUQTLL4DRFVDVOYH6E2J \
  | 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: 461cc3bb1484d6be0e25a8eaec1fc4d27a534cc9bb485dfd4276f7be543bc3e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0f9a2470c5e289ce40d83dd30a3975269b1ea1ba9b11277c77eea7e0bac6bc2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-08T20:00:10Z",
    "title_canon_sha256": "8bc8d10c69ed4b7818fff87ffe2ae1e42715651b539eeded0aa6dfd7a2f09537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2246",
    "kind": "arxiv",
    "version": 3
  }
}