Pith Number

pith:2DDYHEZ5

pith:2018:2DDYHEZ5FMUS4V4UEIL23ACOCP

not attested not anchored not stored refs pending

A Fast-Evolving, Luminous Transient Discovered by K2/Kepler

(10) Gemini Observatory, (11) Harvard-Smithsonian Center for Astrophysics, (12) University of Chile), 2), (2) Johns Hopkins University, (3) University of Notre Dame, (4) University of California, 5), (5) Lawrence Berkeley National Laboratory, (6) Mount Stromlo Observatory, 7), (7) The ARC Centre of Excellence for All-Sky Astrophysics (CAASTRO) (8) University of Maryland, (8), (9) Cerro Tololo Inter-American Observatory (CTIO), A. Rest (1, A. Zenteno (9), B. E. Tucker (6, D. James (11), D. Kasen (4, D. Khatami (4, E. J. Shaya (8), G. Strampelli (1), P. M. Garnavich (3), R. C. Smith (9) F. F\"orster (12), R. Mushotzky (8), R. P. Olling, S. Margheim (10), V. A. Villar (11) ((1) Space Telescope Science Institute

arxiv:1804.04641 v1 · 2018-04-12 · 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{2DDYHEZ5FMUS4V4UEIL23ACOCP}

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	2026-05-18T00:18:36.652566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0c783933d2b292e57942217ad804e13f90ef93be5b5d0329a614ba1defdc0d8

Aliases

arxiv: 1804.04641 · arxiv_version: 1804.04641v1 · doi: 10.48550/arxiv.1804.04641 · pith_short_12: 2DDYHEZ5FMUS · pith_short_16: 2DDYHEZ5FMUS4V4U · pith_short_8: 2DDYHEZ5

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/2DDYHEZ5FMUS4V4UEIL23ACOCP \
  | 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: d0c783933d2b292e57942217ad804e13f90ef93be5b5d0329a614ba1defdc0d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4600d82fb0db62b21920c40174554baa8958c49447a75fa6d87e1af48c1678d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-12T17:37:13Z",
    "title_canon_sha256": "85c692188dc33684fbf2de34ea44095027479da19031acac7f0b431377cba7ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04641",
    "kind": "arxiv",
    "version": 1
  }
}