Pith Number

pith:GVI7IG3U

pith:2018:GVI7IG3UVQ5AFE65XZXSAIVZT4

not attested not anchored not stored refs pending

A Potential Progenitor for the Type Ic Supernova 2017ein

Armin Rest, Camille N. Leibler, Charles D. Kilpatrick, Claire E. Max, Hilton A. Lewis, James E. Lyke, Randall D. Campbell, Ryan J. Foley, Sophia A. Medallon, Tyler Takaro, Wynn V. Jacobson-Galan, Yen-Chen Pan

arxiv:1808.02989 v1 · 2018-08-09 · astro-ph.SR · 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{GVI7IG3UVQ5AFE65XZXSAIVZT4}

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	2026-05-18T00:08:05.655156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3551f41b74ac3a0293ddbe6f2022b99f2403be80d8fb651864680a17bea7c180

Aliases

arxiv: 1808.02989 · arxiv_version: 1808.02989v1 · doi: 10.48550/arxiv.1808.02989 · pith_short_12: GVI7IG3UVQ5A · pith_short_16: GVI7IG3UVQ5AFE65 · pith_short_8: GVI7IG3U

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/GVI7IG3UVQ5AFE65XZXSAIVZT4 \
  | 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: 3551f41b74ac3a0293ddbe6f2022b99f2403be80d8fb651864680a17bea7c180

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cd7f97972842a998afcb2fe75201995d990adacd42e0ebd70ec12de1612d164",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-09T01:22:53Z",
    "title_canon_sha256": "47e540009301c2720de6a63f59a1affff31dc9862c4ace3ed7978c02f1b94beb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02989",
    "kind": "arxiv",
    "version": 1
  }
}