Pith Number

pith:YADRW5BJ

pith:2025:YADRW5BJFWKBGLBY3CJJ3KUZR6

not attested not anchored not stored refs pending

Disks around young free-floating planetary-mass objects: Ultradeep Spitzer imaging of IC348

Aleks Scholz (SUPA, Holly Hanbee Seo, University of St Andrews)

arxiv:2501.15930 v1 · 2025-01-27 · astro-ph.SR · 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{YADRW5BJFWKBGLBY3CJJ3KUZR6}

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	2026-07-05T10:05:52.296243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0071b74292d94132c38d8929daa998f80ccfb8c01472cf72962d6de6aa68180

Aliases

arxiv: 2501.15930 · arxiv_version: 2501.15930v1 · doi: 10.48550/arxiv.2501.15930 · pith_short_12: YADRW5BJFWKB · pith_short_16: YADRW5BJFWKBGLBY · pith_short_8: YADRW5BJ

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/YADRW5BJFWKBGLBY3CJJ3KUZR6 \
  | 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: c0071b74292d94132c38d8929daa998f80ccfb8c01472cf72962d6de6aa68180

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6426c5b608f5aeb20b045214bcf67d4310868771bd5a7ddede8e06d5451fb25d",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-01-27T10:27:47Z",
    "title_canon_sha256": "016ac2d9d12ccabb7f2fd9a9df73fd05657a0089cc63a4f580cfcd6ecf1afd78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.15930",
    "kind": "arxiv",
    "version": 1
  }
}