Pith Number

pith:4C2IIONB

pith:2018:4C2IIONB4J2QQ3JJUBJYTCBJ5W

not attested not anchored not stored refs pending

The Cow: discovery of a luminous, hot and rapidly evolving transient

A. Heinze, A. Rest, B. J. Shappee, B. Stalder, C. Ashall, C. Colin, C. S. Kochanek, D. O`Neill, H. A. Flewelling, J. L. Prieto, J. L. Tonry, K. C. Chambers, K. Maguire, K. W. Smith, K. Z. Stanek, L. Denneau, M. D. Stritzinger, M. E. Huber, M. Fulton, M. R. Magee, O. McBrien, P. A. Mazzali, P. Clark, P. Schady, S. J. Prentice, S. J. Smartt, S. Sim, T. A. Thompson, T.-W. Chen, T. W.-S. Holoien

arxiv:1807.05965 v3 · 2018-07-16 · 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{4C2IIONB4J2QQ3JJUBJYTCBJ5W}

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	2026-05-18T00:04:48.236610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0b48439a1e275086d29a053898829eda03fdd1318e56f2763d493023ebbacd2

Aliases

arxiv: 1807.05965 · arxiv_version: 1807.05965v3 · doi: 10.48550/arxiv.1807.05965 · pith_short_12: 4C2IIONB4J2Q · pith_short_16: 4C2IIONB4J2QQ3JJ · pith_short_8: 4C2IIONB

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/4C2IIONB4J2QQ3JJUBJYTCBJ5W \
  | 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: e0b48439a1e275086d29a053898829eda03fdd1318e56f2763d493023ebbacd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7df58f6b6641f48301ba69ce6219a9b9f99ac09b77a4870125a1f4b71e43324",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-07-16T16:47:16Z",
    "title_canon_sha256": "fd6f0db064b99d96810c594d9aeab0ce622b21bf12dd31263747890b8d95ad7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05965",
    "kind": "arxiv",
    "version": 3
  }
}