Pith Number

pith:Q6UEACZL

pith:2023:Q6UEACZLIW5RT335RX7BCQUDEQ

not attested not anchored not stored refs pending

Interstellar Objects and Exocomets

Alan Fitzsimmons, Karem Meech, Luca Matr\`a, Susanne Pfalzner

arxiv:2303.17980 v1 · 2023-03-31 · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q6UEACZLIW5RT335RX7BCQUDEQ}

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.

Cited by

1 paper in Pith

NSF-DOE Vera C. Rubin Observatory Observations of Interstellar Comet 3I/ATLAS (C/2025 N1)

Receipt and verification

First computed	2026-07-05T05:56:48.480990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a8400b2b45bb19ef7d8dfe114283240f946952bfcc9905804a4be5de9345c8

Aliases

arxiv: 2303.17980 · arxiv_version: 2303.17980v1 · doi: 10.48550/arxiv.2303.17980 · pith_short_12: Q6UEACZLIW5R · pith_short_16: Q6UEACZLIW5RT335 · pith_short_8: Q6UEACZL

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/Q6UEACZLIW5RT335RX7BCQUDEQ \
  | 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: 87a8400b2b45bb19ef7d8dfe114283240f946952bfcc9905804a4be5de9345c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82d092dfade6870ab94cae90cec372ab0a3d019f528c69ff2b31c689bdff7586",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-03-31T11:32:52Z",
    "title_canon_sha256": "50cfed58e0a1cf498ea4bfe89cacfeac07f4b94350565272130fd6e42174ba27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.17980",
    "kind": "arxiv",
    "version": 1
  }
}