Pith Number

pith:XLRORY2B

pith:2011:XLRORY2BNEHJXXBAJJNV7CDFXE

not attested not anchored not stored refs pending

Juvenile Ultracool Dwarfs

Dagny Looper, Emily L. Rice, Eric E. Mamajek, Evgenya L. Shkolnik, Jacqueline K. Faherty, Kelle Cruz, Lison Malo, Stanimir Metchev, Travis Barman

arxiv:1101.4231 v1 · 2011-01-21 · 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{XLRORY2BNEHJXXBAJJNV7CDFXE}

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	2026-05-18T02:22:50.614264Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bae2e8e341690e9bdc204a5b5f8865b906f4366966f345b23d8e7a9d5ef38b15

Aliases

arxiv: 1101.4231 · arxiv_version: 1101.4231v1 · doi: 10.48550/arxiv.1101.4231 · pith_short_12: XLRORY2BNEHJ · pith_short_16: XLRORY2BNEHJXXBA · pith_short_8: XLRORY2B

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/XLRORY2BNEHJXXBAJJNV7CDFXE \
  | 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: bae2e8e341690e9bdc204a5b5f8865b906f4366966f345b23d8e7a9d5ef38b15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d65fa97648df568d66129a134786e415e9602226205d4f998bde470b815f43a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-21T21:03:21Z",
    "title_canon_sha256": "20e2595ae803e560f42b705c09c7029d1e0bbbd24d534b1249a2bd0ca4fd2069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4231",
    "kind": "arxiv",
    "version": 1
  }
}