Pith Number

pith:HEEU6BEG

pith:2000:HEEU6BEGVSJWV4WW2HC4EIYWRV

not attested not anchored not stored refs pending

Very Low Mass Stars and Brown Dwarfs of the Young Open Cluster IC2391

2), (3) Harvard--Smithsonian Center for Astrophysics, 4), (4) IPAC, (5) Centro de Investigaciones de Astronom\'ia, (6) Institute for Astronomy, Brian Patten (3), C\'esar Brice\~no (5), D. Barrado y Navascu\'es (1, John R. Stauffer (3, Joseph D. Adams (7). ((1), Max-Planck-Institut f\"ur Astronomie. (2) Universidad Autonoma de Madrid, Nigel C. Hambly (6), University of Edinburgh. (7) University of Massachusetts)

arxiv:astro-ph/0011492 v1 · 2000-11-27 · 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{HEEU6BEGVSJWV4WW2HC4EIYWRV}

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	2026-05-18T01:09:10.963498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39094f0486ac936af2d6d1c5c223168d6d962aa320ae8aab6ab99f7851a4a138

Aliases

arxiv: astro-ph/0011492 · arxiv_version: astro-ph/0011492v1 · doi: 10.48550/arxiv.astro-ph/0011492 · pith_short_12: HEEU6BEGVSJW · pith_short_16: HEEU6BEGVSJWV4WW · pith_short_8: HEEU6BEG

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/HEEU6BEGVSJWV4WW2HC4EIYWRV \
  | 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: 39094f0486ac936af2d6d1c5c223168d6d962aa320ae8aab6ab99f7851a4a138

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68068e6327284c223e98068e5a7174b8ed5d6d4ba22354ae3332bf327c8a6f67",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-27T16:21:51Z",
    "title_canon_sha256": "89131f012594fe2cde6d96d4188d3975ed2292e5c7f80c24218fa1729a9c9e05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011492",
    "kind": "arxiv",
    "version": 1
  }
}