Pith Number

pith:L7SHKBTJ

pith:2020:L7SHKBTJY35WI2OQMIFGRCYOQT

not attested not anchored not stored refs pending

The Zwicky Transient Facility Census of the Local Universe I: Systematic search for Calcium rich gap transients reveal three related spectroscopic sub-classes

Abigail Polin, Adam A. Miller, Alexandre Delacroix, Alison Dugas, Anastasios Tzanidakis, Andrew Drake, Anna Y. Q. Ho, Ashot Bagdasaryan, Avishay Gal-Yam, Ben Rusholme, Christopher Cannella, Daniel A. Perley, Daniel Goldstein, Dan Reiley, David Hale, David L. Shupe, David O. Cook, Dmitry Duev, Eliot Quataert, Eran O. Ofek, Eric C. Bellm, Frank J. Masci, George Helou, Ido Irani, Igor Andreoni, Jacob E. Jencson, James D. Neill, Jesper Sollerman, Kishalay De, Lars Bildsten, Leonardo Tartaglia, Lin Yan, Mansi M. Kasliwal, Matthew Hankins, Matthew J. Graham, Ragnhild Lunnan, Reed L. Riddle, Richard Walters, Robin Leadbeater, Russ R. Laher, Sara Frederick, Scott Adams, S. R. Kulkarni, Stephen Kaye, Thomas A. Prince, Thomas Kupfer, U. Christoffer Fremling, V. Zach Golkhou, Yashvi Sharma, Yuhan Yao

arxiv:2004.09029 v1 · 2020-04-20 · astro-ph.HE · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7SHKBTJY35WI2OQMIFGRCYOQT}

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	2026-07-05T02:27:20.242067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fe4750669c6fb6469d0620a688b0e84fbb354de0ead946e9deb568de339d119

Aliases

arxiv: 2004.09029 · arxiv_version: 2004.09029v1 · doi: 10.48550/arxiv.2004.09029 · pith_short_12: L7SHKBTJY35W · pith_short_16: L7SHKBTJY35WI2OQ · pith_short_8: L7SHKBTJ

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/L7SHKBTJY35WI2OQMIFGRCYOQT \
  | 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: 5fe4750669c6fb6469d0620a688b0e84fbb354de0ead946e9deb568de339d119

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "372152761d29bca038a53349598fb70838bd4c5bd51793efd42316700fbe5cb1",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-04-20T02:34:09Z",
    "title_canon_sha256": "cef648d760e9d2d8245c3f31dae17cd5ff6d5a04dc1daa5cf9fa77c661316efb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.09029",
    "kind": "arxiv",
    "version": 1
  }
}