Pith Number

pith:3562JWT6

pith:2001:3562JWT6ICIZ24BZNL6WK2UXE4

not attested not anchored not stored refs pending

Penetrating the Mask: The Gravitational Torque of Bars

B. G. Elmegreen (IBM, D. L. Block (Univ. Witwatersrand, D. M. Elmegreen (Vassar College, I. Puerari (INAOE, J. H. Knapen (ING, La Palma), Mexico), R. Buta (Univ. of Alabama, South Africa), S. Stedman (Univ. of Hertfordshire, UK), USA)

arxiv:astro-ph/0107407 v1 · 2001-07-20 · 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{3562JWT6ICIZ24BZNL6WK2UXE4}

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	2026-05-18T01:07:45.630915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df7da4da7e40919d70396afd656a97273d73283fcb398261d4314447534c45e7

Aliases

arxiv: astro-ph/0107407 · arxiv_version: astro-ph/0107407v1 · doi: 10.48550/arxiv.astro-ph/0107407 · pith_short_12: 3562JWT6ICIZ · pith_short_16: 3562JWT6ICIZ24BZ · pith_short_8: 3562JWT6

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/3562JWT6ICIZ24BZNL6WK2UXE4 \
  | 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: df7da4da7e40919d70396afd656a97273d73283fcb398261d4314447534c45e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39ae2bf2accf7c04ae554ad28bb21d6590b1311fc183ce060ba8b2528ff83507",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-20T14:24:45Z",
    "title_canon_sha256": "a1d66329f6e32e3a5d184af87694861d7c8979d3dc54fc7d93ea5f713197ea66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107407",
    "kind": "arxiv",
    "version": 1
  }
}