Pith Number

pith:YY2NWD35

pith:2008:YY2NWD35YIXUBETHMZY4Z42WM4

not attested not anchored not stored refs pending

Study of the stellar line-strength indices and kinematics along bars

A. Zurita, I. Perez, P. Sanchez-Blazquez

arxiv:0812.2586 v1 · 2008-12-15 · 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{YY2NWD35YIXUBETHMZY4Z42WM4}

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	2026-05-18T02:15:10.464802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c634db0f7dc22f4092676671ccf35667047eb444342299bf56ab9afa186f8b6b

Aliases

arxiv: 0812.2586 · arxiv_version: 0812.2586v1 · doi: 10.48550/arxiv.0812.2586 · pith_short_12: YY2NWD35YIXU · pith_short_16: YY2NWD35YIXUBETH · pith_short_8: YY2NWD35

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/YY2NWD35YIXUBETHMZY4Z42WM4 \
  | 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: c634db0f7dc22f4092676671ccf35667047eb444342299bf56ab9afa186f8b6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6e7a77348206719a9ec011791ac38b3b59b189ae28e5e5dcccac59da0c40ddb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-15T17:04:37Z",
    "title_canon_sha256": "17b855cdcafb9a79ef3fdab4fc9700f708dbd4c1a8d4fe854a2ec145b979abb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2586",
    "kind": "arxiv",
    "version": 1
  }
}