Pith Number

pith:QYR7I5AO

pith:2000:QYR7I5AOXU6IQE4GFXNKA7LSPY

not attested not anchored not stored refs pending

Structure of the Galactic Stellar Halo Prior to Disk Formation

Masashi Chiba (NAOJ), Timothy C. Beers (MSU)

arxiv:astro-ph/0011113 v1 · 2000-11-06 · 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{QYR7I5AOXU6IQE4GFXNKA7LSPY}

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	2026-07-04T16:17:33.218121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8623f4740ebd3c8813862ddaa07d727e174f54d36167fae7090c9b2f76bea71a

Aliases

arxiv: astro-ph/0011113 · arxiv_version: astro-ph/0011113v1 · doi: 10.48550/arxiv.astro-ph/0011113 · pith_short_12: QYR7I5AOXU6I · pith_short_16: QYR7I5AOXU6IQE4G · pith_short_8: QYR7I5AO

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/QYR7I5AOXU6IQE4GFXNKA7LSPY \
  | 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: 8623f4740ebd3c8813862ddaa07d727e174f54d36167fae7090c9b2f76bea71a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23abb3a81cd77f8d1f2f5b445769b10cf7ba4abc1fa4e5c05b790b5fbc810496",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-06T01:05:52Z",
    "title_canon_sha256": "ea1ebbfec432ee8533da98deb48a6f2e25a2bf92185156c8f41b770b18b96e6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011113",
    "kind": "arxiv",
    "version": 1
  }
}