Pith Number

pith:DG3BR2CD

pith:2013:DG3BR2CD2N4TFWMEAYRCEI7UBY

not attested not anchored not stored refs pending

iPTF13beo: The Double-Peaked Light Curve of a Type Ibn Supernova Discovered Shortly after Explosion

Annalisa De Cia, Avishay Gal-Yam, David Tal, Eran O. Ofek, Evgeny Gorbikov, Iair Arcavi, Juncheng Chen, Mansi M. Kasliwal, Mark Sullivan, Nicolas Chotard, Ofer Yaron, Paul M. Vreeswijk, Peter E. Nugent, S. Bradley Cenko, Shrinivas R. Kulkarni, Yi Cao

arxiv:1312.0012 v3 · 2013-11-29 · astro-ph.SR · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DG3BR2CD2N4TFWMEAYRCEI7UBY}

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	2026-05-18T01:46:04.658736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19b618e843d37932d98406222223f40e0144b7fcd401b09a4b8db57784b058f6

Aliases

arxiv: 1312.0012 · arxiv_version: 1312.0012v3 · doi: 10.48550/arxiv.1312.0012 · pith_short_12: DG3BR2CD2N4T · pith_short_16: DG3BR2CD2N4TFWME · pith_short_8: DG3BR2CD

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/DG3BR2CD2N4TFWMEAYRCEI7UBY \
  | 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: 19b618e843d37932d98406222223f40e0144b7fcd401b09a4b8db57784b058f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddf884f23a982369b7d114a8ef2555cfaae40ee086620fad86497962212dac51",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-11-29T21:00:29Z",
    "title_canon_sha256": "27987c6f03d15d0e503a92c5a6f1838038e92cec25855b931313d5c99061a8ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.0012",
    "kind": "arxiv",
    "version": 3
  }
}