Pith Number

pith:2VECJJ6V

pith:2000:2VECJJ6VEGEAZ5ZF2BCYDJAZCX

not attested not anchored not stored refs pending

A Search for Stars of Very Low Metal Abundance. V. Photoelectric UBV Photometry of Metal-Weak Candidates from the Northern HK Survey

(2) Michigan State University, Department of Physics & Astronomy), P.Bonifacio (1), S. Monai (1), T.C. Beers (2) ((1) Osservatorio Astronomico di Trieste

arxiv:astro-ph/0006178 v1 · 2000-06-13 · 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{2VECJJ6VEGEAZ5ZF2BCYDJAZCX}

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	2026-07-04T16:16:47.783893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d54824a7d521880cf725d04581a41915d001c97ff0bc8049ff07cc37c6b889a4

Aliases

arxiv: astro-ph/0006178 · arxiv_version: astro-ph/0006178v1 · doi: 10.48550/arxiv.astro-ph/0006178 · pith_short_12: 2VECJJ6VEGEA · pith_short_16: 2VECJJ6VEGEAZ5ZF · pith_short_8: 2VECJJ6V

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/2VECJJ6VEGEAZ5ZF2BCYDJAZCX \
  | 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: d54824a7d521880cf725d04581a41915d001c97ff0bc8049ff07cc37c6b889a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da3127f645fe891e5c9abb71b7e7c2d952087557847098002e2c15cf09a84f0d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-13T14:06:49Z",
    "title_canon_sha256": "6130dadb466d82a6752dfe9e5a30083e3714f9b07bb0c2f89300eba108aa3dab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006178",
    "kind": "arxiv",
    "version": 1
  }
}