Pith Number

pith:FRHFII7P

pith:2025:FRHFII7PLDMS74XCAPGISYK6CI

not attested not anchored not stored refs pending

Near-Discovery Observations of Interstellar Comet 3I/ATLAS with the NASA Infrared Telescope Facility

Benjamin N.L. Sharkey (UMD), Chansey Champagne (NAU), Cristina Thomas (NAU), James M. Bauer (UMD), John Rayner (UH/IRTF), Joshua Emery (NAU), Lucas McClure (NAU), Megan Firgard (UCF), Michael Connelly (UH/IRTF), Theodore Kareta (Villanova U.), Vishnu Reddy (UAz)

arxiv:2507.12234 v2 · 2025-07-16 · 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{FRHFII7PLDMS74XCAPGISYK6CI}

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	2026-07-05T11:51:32.193839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c4e5423ef58d92ff2e203cc89615e12340ff774c34eec65b26eecb883e32260

Aliases

arxiv: 2507.12234 · arxiv_version: 2507.12234v2 · doi: 10.48550/arxiv.2507.12234 · pith_short_12: FRHFII7PLDMS · pith_short_16: FRHFII7PLDMS74XC · pith_short_8: FRHFII7P

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/FRHFII7PLDMS74XCAPGISYK6CI \
  | 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: 2c4e5423ef58d92ff2e203cc89615e12340ff774c34eec65b26eecb883e32260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28728e78250e72f9af0450a3825b4a379fe609b0dc39582ac7fa0eced295364a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-16T13:48:07Z",
    "title_canon_sha256": "60f07d2d61a87fc19a20c9dfdeb8455b1e8d2860a24be0294aac86895342e145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.12234",
    "kind": "arxiv",
    "version": 2
  }
}