Pith Number

pith:73VTKHPW

pith:2025:73VTKHPWHSFOADX5O4W7OUUBNN

not attested not anchored not stored refs pending

Spectral Characteristics of Interstellar Object 3I/ATLAS from SOAR Observations

Baltasar Luco, Juan Pablo Carvajal, Prasanta K. Nayak, Rohan Rahatgaonkar, Thomas H. Puzia

arxiv:2508.02777 v2 · 2025-08-04 · astro-ph.EP · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{73VTKHPWHSFOADX5O4W7OUUBNN}

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	2026-07-05T11:49:59.352864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feeb351df63c8ae00efd772df752816b53b3173fce60f0990f356d35a4a1f38c

Aliases

arxiv: 2508.02777 · arxiv_version: 2508.02777v2 · doi: 10.48550/arxiv.2508.02777 · pith_short_12: 73VTKHPWHSFO · pith_short_16: 73VTKHPWHSFOADX5 · pith_short_8: 73VTKHPW

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/73VTKHPWHSFOADX5O4W7OUUBNN \
  | 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: feeb351df63c8ae00efd772df752816b53b3173fce60f0990f356d35a4a1f38c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "123d8805120c08ff8291967b8ee2527717233fba2f876f25259cc79f780b501e",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-08-04T18:00:01Z",
    "title_canon_sha256": "c72f75a1de98dfff3febcb7bb25dcf0932edccccf6f16cd95932c46a70904084"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.02777",
    "kind": "arxiv",
    "version": 2
  }
}