Pith Number

pith:LEA7Z2LV

pith:2015:LEA7Z2LVACGVCSFZN3GQ6CZ5YM

not attested not anchored not stored refs pending

Supernova 2013by: A Type IIL Supernova with a IIP-like light curve drop

((1) Las Cumbres Observatory Global Telescope Network, 2), C. Contreras, C. McCully, D. A. Howell, D. Sand, E.Y. Hsiao, G. H. Marion, I. Arcavi, M. Gromadzki, M. J. Childress, M. M. Phillips, M. Stritzinger, N. Morrell, R. P. Kirshner, S. Valenti (1, University of California, USA), USA. (2) Department of Physics

arxiv:1501.06491 v2 · 2015-01-21 · 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{LEA7Z2LVACGVCSFZN3GQ6CZ5YM}

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	2026-05-18T01:41:08.563282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5901fce975008d5148b96ecd0f0b3dc335e3fbdc9c02b90ed90add5c9c4e0714

Aliases

arxiv: 1501.06491 · arxiv_version: 1501.06491v2 · doi: 10.48550/arxiv.1501.06491 · pith_short_12: LEA7Z2LVACGV · pith_short_16: LEA7Z2LVACGVCSFZ · pith_short_8: LEA7Z2LV

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/LEA7Z2LVACGVCSFZN3GQ6CZ5YM \
  | 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: 5901fce975008d5148b96ecd0f0b3dc335e3fbdc9c02b90ed90add5c9c4e0714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41449bf7a255251fa5c7c2aee27a33eb7de10bd2db6d0b73528860146fa46848",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-01-21T22:53:48Z",
    "title_canon_sha256": "8f0abcb4a50d6e62972b5243d13eed9723b73fbc75fa2937aaf571ddad1fc9f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.06491",
    "kind": "arxiv",
    "version": 2
  }
}