Pith Number

pith:BOU5XFNF

pith:2021:BOU5XFNFH7UTWF6QJR3YC4CIOM

not attested not anchored not stored refs pending

Tails: Chasing Comets with the Zwicky Transient Facility and Deep Learning

Ashish Mahabal, Bryce T. Bolin, Dmitry A. Duev, Eric C. Bellm, Frank J. Masci, George Helou, Maayane T. Soumagnac, Matthew J. Graham, Michael S. P. Kelley, Michael W. Coughlin, Reed Riddle, Richard Dekany, Shrinivas R. Kulkarni, St\'efan J. van der Walt, Thomas A. Prince

arxiv:2102.13352 v1 · 2021-02-26 · astro-ph.IM · astro-ph.EP · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BOU5XFNFH7UTWF6QJR3YC4CIOM}

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	2026-07-05T02:31:53.835186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ba9db95a53fe93b17d04c7781704873339bcbb554508d1e0ca8fe4cac637f63

Aliases

arxiv: 2102.13352 · arxiv_version: 2102.13352v1 · doi: 10.48550/arxiv.2102.13352 · pith_short_12: BOU5XFNFH7UT · pith_short_16: BOU5XFNFH7UTWF6Q · pith_short_8: BOU5XFNF

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/BOU5XFNFH7UTWF6QJR3YC4CIOM \
  | 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: 0ba9db95a53fe93b17d04c7781704873339bcbb554508d1e0ca8fe4cac637f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41cd8cf5f3bc0ded6dcfe2a7d356be4c908bb524136dbf22836229be1f2265ee",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-02-26T08:01:27Z",
    "title_canon_sha256": "e693b572204ef4654353720acf2b4c75565916e8ab0ff38bad120ff662fc6c71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13352",
    "kind": "arxiv",
    "version": 1
  }
}