Pith Number

pith:QLJEMVSM

pith:2024:QLJEMVSMKZKA4FNZCPB5PCDROM

not attested not anchored not stored refs pending

Spectroscopic observations of progenitor activity 100 days before a Type Ibn supernova

A. Gal-Yam, A. Gkini, A. J. Drake, A. Wold, B. Healy, C. Fransson, C. Fremling, D. Perley, E. A. Zimmerman, F. J. Masci, I. Irani, J. Purdum, J. Sollerman, J. Wise, K. De, K. K. Das, K. R. Hinds, L. Yan, M. Kong, M. M. Kasliwal, P. Chen, R. Dekany, R. J. Bruch, R. Lunnan, R. Michael Rich, R. S. Post, R. Stein, S. Anand, S. J. Brennan, S. R. Kulkarni, S. Schulze, V. Karambelkar, YJ. Qin

arxiv:2401.15148 v4 · 2024-01-26 · astro-ph.HE · 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{QLJEMVSMKZKA4FNZCPB5PCDROM}

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.

Cited by

1 paper in Pith

Decadal pre-explosion activity and circumstellar interaction in a supernova

Receipt and verification

First computed	2026-07-05T08:11:00.709070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82d246564c56540e15b913c3d78871730db1fd8caf5172f68573a7740607e0aa

Aliases

arxiv: 2401.15148 · arxiv_version: 2401.15148v4 · doi: 10.48550/arxiv.2401.15148 · pith_short_12: QLJEMVSMKZKA · pith_short_16: QLJEMVSMKZKA4FNZ · pith_short_8: QLJEMVSM

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/QLJEMVSMKZKA4FNZCPB5PCDROM \
  | 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: 82d246564c56540e15b913c3d78871730db1fd8caf5172f68573a7740607e0aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f6e398c25efd12ec742f97cfbca1565218d4b66ed0c9a54c40672f03f1ed746",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2024-01-26T19:00:03Z",
    "title_canon_sha256": "b954381ef2c311478a07b5551187ed767ef59d67678a260cc3bdea8b13ebcfa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.15148",
    "kind": "arxiv",
    "version": 4
  }
}