Pith Number

pith:2URUGDDJ

pith:2025:2URUGDDJUWBTVUPYL5MW5YPYE3

not attested not anchored not stored refs pending

X-SHOOTER Spectrum of Comet 3I/ATLAS: Insights into a Distant Interstellar Visitor

A. Alvarez-Candal, J. L. Ortiz, J. L. Rizos, L. M. Lara, N. Morales, P. J. Gutierrez, P. Santos-Sanz

arxiv:2507.07312 v3 · 2025-07-09 · 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{2URUGDDJUWBTVUPYL5MW5YPYE3}

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	2026-07-05T11:48:51.378241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d523430c69a5833ad1f85f596ee1f826cd978b4fe168edebba5ae76c7a69e758

Aliases

arxiv: 2507.07312 · arxiv_version: 2507.07312v3 · doi: 10.48550/arxiv.2507.07312 · pith_short_12: 2URUGDDJUWBT · pith_short_16: 2URUGDDJUWBTVUPY · pith_short_8: 2URUGDDJ

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/2URUGDDJUWBTVUPYL5MW5YPYE3 \
  | 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: d523430c69a5833ad1f85f596ee1f826cd978b4fe168edebba5ae76c7a69e758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dda6747364baa03dc400a7a104ed252552c723bf1168572b6e4de6fdb4adb35b",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-09T22:18:50Z",
    "title_canon_sha256": "7cd8968603411020598f7903cd3c183684095582436643aaacbe1a228f9ff9f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.07312",
    "kind": "arxiv",
    "version": 3
  }
}