Pith Number

pith:BFTFCPUM

pith:2012:BFTFCPUMN6WQPVLTALGSK4B6GI

not attested not anchored not stored refs pending

GK Per (Nova Persei 1901): HST Imagery and Spectroscopy of the Ejecta, and First Spectrum of the Jet-Like Feature

David Zurek, Mario Livio, Michael M. Shara, Orsola De Marco, Robert Williams, Trisha Mizusawa

arxiv:1204.3078 v1 · 2012-04-13 · 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{BFTFCPUMN6WQPVLTALGSK4B6GI}

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	2026-05-18T01:57:52.630207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0966513e8c6fad07d57302cd25703e323e9f54d4bb77645a5aee4e01d6aa7b9d

Aliases

arxiv: 1204.3078 · arxiv_version: 1204.3078v1 · doi: 10.48550/arxiv.1204.3078 · pith_short_12: BFTFCPUMN6WQ · pith_short_16: BFTFCPUMN6WQPVLT · pith_short_8: BFTFCPUM

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/BFTFCPUMN6WQPVLTALGSK4B6GI \
  | 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: 0966513e8c6fad07d57302cd25703e323e9f54d4bb77645a5aee4e01d6aa7b9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15cee4176848ba4d50fcf3ba6fbaa7f99aadf6d45f91f44333f9f2e2ff0929ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-13T19:10:27Z",
    "title_canon_sha256": "7cc54a363fa3dbc6a15ebe19428ed7bf3b254f85789b95dbdb9ab25783125821"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3078",
    "kind": "arxiv",
    "version": 1
  }
}