Pith Number

pith:CJ4FJTSF

pith:2001:CJ4FJTSFJCI3SRLSEL6KAAZ63X

not attested not anchored not stored refs pending

Four Brown Dwarfs in the Taurus Star-Forming Region

A. Magazzu, C. Dougados, E. L. Martin, E. Magnier, F. Menard, J.-C. Cuillandre, X. Delfosse

arxiv:astro-ph/0110100 v1 · 2001-10-03 · 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{CJ4FJTSFJCI3SRLSEL6KAAZ63X}

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	2026-05-18T04:29:05.209830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

127854ce454891b9457222fca0033eddec8600c08fd8f00f175e54ea5046da7a

Aliases

arxiv: astro-ph/0110100 · arxiv_version: astro-ph/0110100v1 · doi: 10.48550/arxiv.astro-ph/0110100 · pith_short_12: CJ4FJTSFJCI3 · pith_short_16: CJ4FJTSFJCI3SRLS · pith_short_8: CJ4FJTSF

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/CJ4FJTSFJCI3SRLSEL6KAAZ63X \
  | 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: 127854ce454891b9457222fca0033eddec8600c08fd8f00f175e54ea5046da7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "388dd56e9789b9ee4b74e7690d6bf04099de5ff0f33e11caec258201ef07476a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-10-03T22:56:31Z",
    "title_canon_sha256": "b0fb23ad2e06dc8bbd0ae61fa13c7ea92d844b2fe329a1487cb16633a7c1458a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0110100",
    "kind": "arxiv",
    "version": 1
  }
}