Pith Number

pith:ZFPCKNLK

pith:2025:ZFPCKNLK4X3MJ64CUHCO6PNTBW

not attested not anchored not stored refs pending

Down But Not Out: The Case of Long-Period Comet C/2021 O3 (Panstarrs)

David Jewitt. Jing Li, Michael Jaeger, Yoonyoung Kim

arxiv:2506.09263 v1 · 2025-06-10 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZFPCKNLK4X3MJ64CUHCO6PNTBW}

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	2026-07-05T11:19:33.871368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c95e25356ae5f6c4fb82a1c4ef3db30dbdee1e13c44f5f46d13d779e6b73b2fd

Aliases

arxiv: 2506.09263 · arxiv_version: 2506.09263v1 · doi: 10.48550/arxiv.2506.09263 · pith_short_12: ZFPCKNLK4X3M · pith_short_16: ZFPCKNLK4X3MJ64C · pith_short_8: ZFPCKNLK

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/ZFPCKNLK4X3MJ64CUHCO6PNTBW \
  | 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: c95e25356ae5f6c4fb82a1c4ef3db30dbdee1e13c44f5f46d13d779e6b73b2fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16a717e802430a176962e53761f380edeabdc9e8d63ce3745c2a230027ab4c4c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-06-10T21:55:49Z",
    "title_canon_sha256": "046deb1612bf3ffb45b70fc336ce522fad6f06dafe9033a6c086905db282a2d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.09263",
    "kind": "arxiv",
    "version": 1
  }
}