Pith Number

pith:UL6B3H3W

pith:2000:UL6B3H3WCXCLNJYBBLB24WTOE5

not attested not anchored not stored refs pending

High-Resolution Keck Spectra of the Associated Absorption Lines in 3C 191

C.B. Foltz, F.C. Chaffee, Frederick W. Hamann, & R.J. Weymann, T.A. Barlow

arxiv:astro-ph/0011030 v1 · 2000-11-01 · 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{UL6B3H3WCXCLNJYBBLB24WTOE5}

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	2026-05-18T02:40:36.610442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2fc1d9f7615c4b6a7010ac3ae5a6e27562cdc5e46d4fe6d74d1c728f8083497

Aliases

arxiv: astro-ph/0011030 · arxiv_version: astro-ph/0011030v1 · doi: 10.48550/arxiv.astro-ph/0011030 · pith_short_12: UL6B3H3WCXCL · pith_short_16: UL6B3H3WCXCLNJYB · pith_short_8: UL6B3H3W

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/UL6B3H3WCXCLNJYBBLB24WTOE5 \
  | 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: a2fc1d9f7615c4b6a7010ac3ae5a6e27562cdc5e46d4fe6d74d1c728f8083497

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ca5f15535567850e2b3f87016c17942a717198556bac112d17a330d5058e585",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-01T20:59:19Z",
    "title_canon_sha256": "62661a0fb39875c1c748b41df442c83609f68f291262b51b9a01959f7fd9c4e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011030",
    "kind": "arxiv",
    "version": 1
  }
}