Pith Number

pith:WISAAYH7

pith:2007:WISAAYH7DZEUSKEL2MKQJ23NR4

not attested not anchored not stored refs pending

The Tremaine-Weinberg method for pattern speeds using H-alpha emission from ionized gas

Claude Carignan, John E. Beckman, Kambiz Fathi, N\'uria Pi\~nol, Olivier Hernandez, Silvia Toonen

arxiv:0712.0518 v3 · 2007-12-04 · 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{WISAAYH7DZEUSKEL2MKQJ23NR4}

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	2026-05-18T04:09:04.414522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2240060ff1e4949288bd31504eb6d8f0f2a16aa787b1dc513cd61caae523743

Aliases

arxiv: 0712.0518 · arxiv_version: 0712.0518v3 · doi: 10.48550/arxiv.0712.0518 · pith_short_12: WISAAYH7DZEU · pith_short_16: WISAAYH7DZEUSKEL · pith_short_8: WISAAYH7

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/WISAAYH7DZEUSKEL2MKQJ23NR4 \
  | 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: b2240060ff1e4949288bd31504eb6d8f0f2a16aa787b1dc513cd61caae523743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "155dece79b34e78d4f1d3ddb1f3511b225cdae7d379e0519a1954d0257d41c6c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-12-04T13:52:36Z",
    "title_canon_sha256": "1eed4b3c4dc14b56cccd9ef370599c8c5ff5a103f3694e45d23180277520aaad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.0518",
    "kind": "arxiv",
    "version": 3
  }
}