Pith Number

pith:NPAZ5DNB

pith:2012:NPAZ5DNB2IVEI2IBZN4Q3QP5Q2

not attested not anchored not stored refs pending

SN 2007bg: The Complex Circumstellar Environment Around One of the Most Radio-Luminous Broad-Lined Type Ic Supernovae

C. Stockdale, F. E. Bauer, J. L. Prieto, P. Salas

arxiv:1208.3455 v4 · 2012-08-16 · 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{NPAZ5DNB2IVEI2IBZN4Q3QP5Q2}

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	2026-05-18T03:43:41.853993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bc19e8da1d22a446901cb790dc1fd8682449fb12817dede5b19304c85d04022

Aliases

arxiv: 1208.3455 · arxiv_version: 1208.3455v4 · doi: 10.48550/arxiv.1208.3455 · pith_short_12: NPAZ5DNB2IVE · pith_short_16: NPAZ5DNB2IVEI2IB · pith_short_8: NPAZ5DNB

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/NPAZ5DNB2IVEI2IBZN4Q3QP5Q2 \
  | 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: 6bc19e8da1d22a446901cb790dc1fd8682449fb12817dede5b19304c85d04022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42e6f5000be18fde80357fe9849880ea85ed6dd51efc19f735aac92a991fb27e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-08-16T19:50:21Z",
    "title_canon_sha256": "41a98676c1af6ccb1c503b6ac9bde8b6e7e7972ffd6dd5767686602135289454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3455",
    "kind": "arxiv",
    "version": 4
  }
}