Pith Number

pith:DWTV6KCM

pith:2009:DWTV6KCM356L6F6LGQDC2WJRDN

not attested not anchored not stored refs pending

An Unusually Fast-Evolving Supernova

Alexei V. Filippenko, Douglas C. Leonard, Dovi Poznanski, Joshua S. Bloom, Mohan Ganeshalingam, Peter E. Nugent, Rollin C. Thomas, Ryan Chornock, Weidong Li

arxiv:0911.2699 v1 · 2009-11-13 · astro-ph.SR · 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{DWTV6KCM356L6F6LGQDC2WJRDN}

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	2026-05-18T02:10:47.795820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1da75f284cdf7cbf17cb34062d59311b56f1ea091b60c0235e90c098f8263d13

Aliases

arxiv: 0911.2699 · arxiv_version: 0911.2699v1 · doi: 10.48550/arxiv.0911.2699 · pith_short_12: DWTV6KCM356L · pith_short_16: DWTV6KCM356L6F6L · pith_short_8: DWTV6KCM

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/DWTV6KCM356L6F6LGQDC2WJRDN \
  | 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: 1da75f284cdf7cbf17cb34062d59311b56f1ea091b60c0235e90c098f8263d13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5b15b9e369f2582cfcb46ff2ddbded258cdda4e043e9e251f5bea0d5de54cce",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-13T21:02:54Z",
    "title_canon_sha256": "c37c01542cc1236d1a8e515fc2e88c7b6b97d59cb0f8a76f8c72f3ce3886490f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2699",
    "kind": "arxiv",
    "version": 1
  }
}