Pith Number

pith:J7UWH7LT

pith:2025:J7UWH7LTIM7Q2AVYVACX2NA4LU

not attested not anchored not stored refs pending

Prediscovery Activity of New Interstellar Object 3I/ATLAS: A Dynamically-Old Comet?

Andrew Drake, Eric C. Bellm, George Helou, Henry H. Hsieh, Michael S. P. Kelley, Quanzhi Ye, Reed Riddle, Richard Dekany, Shrinivas R. Kulkarni, Steven L. Groom, Thomas A. Prince, Tracy X. Chen

arxiv:2509.08792 v1 · 2025-09-10 · 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{J7UWH7LTIM7Q2AVYVACX2NA4LU}

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

University of Hawaii 88-inch Telescope Observations of the Interstellar Comet 3I/ATLAS: Spectrophotometric Blue-Sensitive Spectral Time Series Spanning Two Months from Discovery

Receipt and verification

First computed	2026-07-05T12:08:36.389455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fe963fd73433f0d02b8a8057d341c5d2ded85b0733a89e4a4fa5db3d5bc1fb2

Aliases

arxiv: 2509.08792 · arxiv_version: 2509.08792v1 · doi: 10.48550/arxiv.2509.08792 · pith_short_12: J7UWH7LTIM7Q · pith_short_16: J7UWH7LTIM7Q2AVY · pith_short_8: J7UWH7LT

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/J7UWH7LTIM7Q2AVYVACX2NA4LU \
  | 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: 4fe963fd73433f0d02b8a8057d341c5d2ded85b0733a89e4a4fa5db3d5bc1fb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9acfcce45057a22fd209c20bd26c700e07969c443ea6bc547bedd0dee495d55d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-09-10T17:21:09Z",
    "title_canon_sha256": "0d5ead9ab205f194d9e428c1393c6a3c776d2982106ce1769a174fa6184fa176"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.08792",
    "kind": "arxiv",
    "version": 1
  }
}