Pith Number

pith:YOBMWHBA

pith:2013:YOBMWHBAWF7WYXOUMB32S5YSR4

not attested not anchored not stored refs pending

The Progenitor of Supernova 2011dh Has Vanished

(2) UC Berkeley, 3), (3) NASA/GSFC, (4) University of Arizona, (5) Lawrence Berkeley National Lab), Alexei V. Filippenko (2), Isaac Shivvers (2), Kelsey I. Clubb (2), Mohan Ganeshalingam (5) ((1) Spitzer Science Center/Caltech, Nathan Smith (4), Ori D. Fox (2), Patrick L. Kelly (2), S. Bradley Cenko (2, Schuyler D. Van Dyk (1), WeiKang Zheng (2)

arxiv:1305.3436 v2 · 2013-05-15 · 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{YOBMWHBAWF7WYXOUMB32S5YSR4}

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	2026-05-18T01:49:56.963975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c382cb1c20b17f6c5dd46077a977128f1dc8d6c30d0796dbca9a2625a320c9ba

Aliases

arxiv: 1305.3436 · arxiv_version: 1305.3436v2 · doi: 10.48550/arxiv.1305.3436 · pith_short_12: YOBMWHBAWF7W · pith_short_16: YOBMWHBAWF7WYXOU · pith_short_8: YOBMWHBA

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/YOBMWHBAWF7WYXOUMB32S5YSR4 \
  | 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: c382cb1c20b17f6c5dd46077a977128f1dc8d6c30d0796dbca9a2625a320c9ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b3d06d756d5c5d9d2b494cb803cd2cf54b008c4bbc82ea8ad17693d9c6a2d3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-05-15T11:43:54Z",
    "title_canon_sha256": "0f380be73f86f10bbcd467be37f1761eecaad35ee4f838b252e47c4199fae809"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3436",
    "kind": "arxiv",
    "version": 2
  }
}