Pith Number

pith:5KYQELAG

pith:2007:5KYQELAGJC5LTG4J4UNOKVOOCQ

not attested not anchored not stored refs pending

Evolution of brown dwarf disks: A Spitzer survey in Upper Scorpius

Alexander Scholz (Toronto, Beate Stelzer (Palermo), Christina Walker, Gwendolyn Meeus (AIP), Kenneth Wood (St. Andrews), Mark O'Sullivan (St. Andrews), Ray Jayawardhana (Toronto), St. Andrews)

arxiv:astro-ph/0701703 v2 · 2007-01-24 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5KYQELAGJC5LTG4J4UNOKVOOCQ}

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	2026-05-18T04:29:06.942257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eab1022c0648bab99b89e51ae555ce143488931aa0e91330a1c26bc8924111b2

Aliases

arxiv: astro-ph/0701703 · arxiv_version: astro-ph/0701703v2 · doi: 10.48550/arxiv.astro-ph/0701703 · pith_short_12: 5KYQELAGJC5L · pith_short_16: 5KYQELAGJC5LTG4J · pith_short_8: 5KYQELAG

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/5KYQELAGJC5LTG4J4UNOKVOOCQ \
  | 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: eab1022c0648bab99b89e51ae555ce143488931aa0e91330a1c26bc8924111b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46986632199f6ae2a72bea655f3a130c9936ac878cfb755e1d02c76994171bd8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-24T20:46:12Z",
    "title_canon_sha256": "7980b15fdae33623b274893c85252e438f291923bcf2e7ea3c70227b601236c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701703",
    "kind": "arxiv",
    "version": 2
  }
}