Pith Number

pith:62Y7JOOS

pith:2002:62Y7JOOSKPB2LN7TNRG63PKVRO

not attested not anchored not stored refs pending

Mg II & C IV Kinematics vs. Stellar Kinematics in Galaxies

Chris Churchill (Penn State), Chuck Steidel (Caltech)

arxiv:astro-ph/0209256 v1 · 2002-09-13 · 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{62Y7JOOSKPB2LN7TNRG63PKVRO}

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	2026-05-18T01:21:57.011802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6b1f4b9d253c3a5b7f36c4dedbd558b894f5371f6a4e3a33fbdea8b6d1fa7ae

Aliases

arxiv: astro-ph/0209256 · arxiv_version: astro-ph/0209256v1 · doi: 10.48550/arxiv.astro-ph/0209256 · pith_short_12: 62Y7JOOSKPB2 · pith_short_16: 62Y7JOOSKPB2LN7T · pith_short_8: 62Y7JOOS

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/62Y7JOOSKPB2LN7TNRG63PKVRO \
  | 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: f6b1f4b9d253c3a5b7f36c4dedbd558b894f5371f6a4e3a33fbdea8b6d1fa7ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcd4171277c0158d0888c0807c24023664ace107feb46309654b89162e249e12",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-13T01:56:25Z",
    "title_canon_sha256": "1453040bff8c149f16aef5d08e1b0d0effb930aae73a507bc0bfe96be44cef7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209256",
    "kind": "arxiv",
    "version": 1
  }
}