Pith Number

pith:4EZCUFI3

pith:2019:4EZCUFI345ZLOBH3FQNCNIV3O6

not attested not anchored not stored refs pending

The Palomar Transient Factory Sky2Night programme

(2) Kavli Institute for Theoretical Physics, 3, (3) Department of Physics, 4), (4) Cahill Center for Astronomy, (5) Center of Cosmology, (6) Instituto de F\'isica y Astronom\'ia, (7) Lawrence Berkeley National Laboratory, (8) Spitzer Science Center, Astrophysics, Caltech, Caltech), Chile, D. Levitan (4), J. van Roestel (1), K. Verbeek (1), M. Bours (6), NYU, Particle Physics, P.J. Groot (1), P. Nugent (7), Radboud University Nijmegen, R.R. Laher (8) ((1) Department of Astrophysics/IMAPP, S. Nissanke (1), S.R. Kulkarni (4), S. van Velzen (5), T. Kupfer (2, T. Prince (4), UC Berkley Department of Astronomy, UC Santa Barbara, Universidad de Valpara\'iso

arxiv:1902.03768 v1 · 2019-02-11 · 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{4EZCUFI345ZLOBH3FQNCNIV3O6}

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	2026-05-17T23:54:19.632180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1322a151be772b704fb2c1a26a2bb778fd8ab50af54011454d9308f0bd359a3

Aliases

arxiv: 1902.03768 · arxiv_version: 1902.03768v1 · doi: 10.48550/arxiv.1902.03768 · pith_short_12: 4EZCUFI345ZL · pith_short_16: 4EZCUFI345ZLOBH3 · pith_short_8: 4EZCUFI3

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/4EZCUFI345ZLOBH3FQNCNIV3O6 \
  | 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: e1322a151be772b704fb2c1a26a2bb778fd8ab50af54011454d9308f0bd359a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04b54c7d162c2161093104f4c8bb0c437b4a53ade1bf97232e53abb50afc30f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-11T08:20:19Z",
    "title_canon_sha256": "d694915fba1b16edbf603285db9a18e2945f6b31fa32df1cc0ed97eed03ca057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03768",
    "kind": "arxiv",
    "version": 1
  }
}