Pith Number

pith:YS7CZJT7

pith:2025:YS7CZJT7ZDPVTU5WET6I2JOKYY

not attested not anchored not stored refs pending

Precovery Observations of 3I/ATLAS from TESS Suggests Possible Distant Activity

Adina D. Feinstein, Darryl Z. Seligman, John W. Noonan

arxiv:2507.21967 v3 · 2025-07-29 · 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{YS7CZJT7ZDPVTU5WET6I2JOKYY}

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

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

Receipt and verification

First computed	2026-07-05T11:59:18.384101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4be2ca67fc8df59d3b624fc8d25cac60307766fcc4e1733f3ee0cfa7bc20385

Aliases

arxiv: 2507.21967 · arxiv_version: 2507.21967v3 · doi: 10.48550/arxiv.2507.21967 · pith_short_12: YS7CZJT7ZDPV · pith_short_16: YS7CZJT7ZDPVTU5W · pith_short_8: YS7CZJT7

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/YS7CZJT7ZDPVTU5WET6I2JOKYY \
  | 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: c4be2ca67fc8df59d3b624fc8d25cac60307766fcc4e1733f3ee0cfa7bc20385

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ea9874ca25342c706e005a71ac3c38ea64fa73ca4113fd9f7b26ea90d17e210",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-07-29T16:16:07Z",
    "title_canon_sha256": "1dc01ad55e94c3938e4bbcd284febfcfea3f2882ffb6bb1b57a7c5400f2739d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21967",
    "kind": "arxiv",
    "version": 3
  }
}