Pith Number

pith:6ZUEDKKJ

pith:2003:6ZUEDKKJMHGVGETGQ3U5YUFG3V

not attested not anchored not stored refs pending

Finding the Most Metal-poor Stars of the Galactic Halo with the Hamburg/ESO Objective-Prism Survey

Germany), Norbert Christlieb (Hamburger Sternwarte

arxiv:astro-ph/0308016 v1 · 2003-08-01 · 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{6ZUEDKKJMHGVGETGQ3U5YUFG3V}

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	2026-05-18T01:59:33.892988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f66841a94961cd53126686e9dc50a6dd6ad44c4a1235f3970128165f696348fa

Aliases

arxiv: astro-ph/0308016 · arxiv_version: astro-ph/0308016v1 · doi: 10.48550/arxiv.astro-ph/0308016 · pith_short_12: 6ZUEDKKJMHGV · pith_short_16: 6ZUEDKKJMHGVGETG · pith_short_8: 6ZUEDKKJ

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/6ZUEDKKJMHGVGETGQ3U5YUFG3V \
  | 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: f66841a94961cd53126686e9dc50a6dd6ad44c4a1235f3970128165f696348fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "639029e09f14da76e70b2d530575beda04be0691aadb7c1fe576cef47f1b4a46",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-01T13:37:54Z",
    "title_canon_sha256": "840b2f3f817e3d37fdcd253018f9920d07512a5399f74ee8cfc8a4537b258728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308016",
    "kind": "arxiv",
    "version": 1
  }
}