Pith Number

pith:HIY6AP7T

pith:2000:HIY6AP7TCPVEDKAV5KYVWHOVMF

not attested not anchored not stored refs pending

Stellar Companions and the Age of HD 141569 and its Circumstellar Disk

A. J. Weinberger, B. Zuckerman, E. E. Becklin, K. Matthews, R. M. Rich

arxiv:astro-ph/0007170 v1 · 2000-07-12 · 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{HIY6AP7TCPVEDKAV5KYVWHOVMF}

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	2026-07-04T16:16:53.870202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a31e03ff313ea41a815eab15b1dd56161766e517ad4b02862a629c69a42a96c

Aliases

arxiv: astro-ph/0007170 · arxiv_version: astro-ph/0007170v1 · doi: 10.48550/arxiv.astro-ph/0007170 · pith_short_12: HIY6AP7TCPVE · pith_short_16: HIY6AP7TCPVEDKAV · pith_short_8: HIY6AP7T

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/HIY6AP7TCPVEDKAV5KYVWHOVMF \
  | 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: 3a31e03ff313ea41a815eab15b1dd56161766e517ad4b02862a629c69a42a96c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2d0bf1432dfb784052f95ea6bc12624fc6f40a495ac86d43ac28b611053b422",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-07-12T23:27:35Z",
    "title_canon_sha256": "799dce9315b3e974c542a9f45c82bc1b7730a9d120ecc5f73ac6855bb645c8b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0007170",
    "kind": "arxiv",
    "version": 1
  }
}