Pith Number

pith:BCVJXWFD

pith:2018:BCVJXWFDFJAJUWJIZKQEDMPAAF

not attested not anchored not stored refs pending

The Broad Absorption Line Tidal Disruption Event iPTF15af: Optical and Ultraviolet Evolution

A. Horesh, A. Levan, A. V. Filippenko, C. Fremling, D. R. Pasham, E. Karamehmetoglu, F. J. Masci, G. Duggan, G. Hosseinzadeh, I. Arcavi, J. S. Bloom, L. Yan, N. Blagorodnova, P. E. Nugent, R. Walters, S. B. Cenko, S. R. Kulkarni, S. Veilleux, W. Zheng

arxiv:1809.07446 v2 · 2018-09-20 · 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{BCVJXWFDFJAJUWJIZKQEDMPAAF}

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	2026-07-05T01:13:22.405928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08aa9bd8a32a409a5928caa041b1e00159b9798fe908e5b5299940b67dbffadc

Aliases

arxiv: 1809.07446 · arxiv_version: 1809.07446v2 · doi: 10.48550/arxiv.1809.07446 · pith_short_12: BCVJXWFDFJAJ · pith_short_16: BCVJXWFDFJAJUWJI · pith_short_8: BCVJXWFD

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/BCVJXWFDFJAJUWJIZKQEDMPAAF \
  | 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: 08aa9bd8a32a409a5928caa041b1e00159b9798fe908e5b5299940b67dbffadc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e820fe7fc82776740f42599dbe2a3d4d493bf3dba9866c286579a328b47d1059",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-20T01:54:40Z",
    "title_canon_sha256": "7ae41421b03877ef471ab192198e7ba599f07465d0e48e2c1b29d282df7e9af8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07446",
    "kind": "arxiv",
    "version": 2
  }
}