Pith Number

pith:67TEHQPH

pith:2009:67TEHQPHHOADKNUMNJ3LDXBVZY

not attested not anchored not stored refs pending

Kinematics of the ring-like nebula SuWt 2

2), (2) Isaac Newton Group of Telescopes, (3) Astrophysics Research Centre, (4) Service d'Astrophysique, CEA/DSM/IRFU/SAp), D. Jones (1, D. L. Mitchell (1), D. L. Pollacco (3), M. Lloyd (1), N. M. H. Vaytet (4) ((1) Jodrell Bank Centre for Astrophysics, Queen's University Belfast, T. J. O'Brien (1), University of Manchester

arxiv:0909.0448 v2 · 2009-09-02 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67TEHQPHHOADKNUMNJ3LDXBVZY}

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	2026-05-18T04:08:12.766355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7e643c1e73b8035368c6a76b1dc35ce01833b1561a6ac3b2a63f3d19116e8d4

Aliases

arxiv: 0909.0448 · arxiv_version: 0909.0448v2 · doi: 10.48550/arxiv.0909.0448 · pith_short_12: 67TEHQPHHOAD · pith_short_16: 67TEHQPHHOADKNUM · pith_short_8: 67TEHQPH

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/67TEHQPHHOADKNUMNJ3LDXBVZY \
  | 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: f7e643c1e73b8035368c6a76b1dc35ce01833b1561a6ac3b2a63f3d19116e8d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "150ad5f943a7f049349147eb9cabf8b51f4a48aa893221ef6478157e64f2a107",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-02T14:54:33Z",
    "title_canon_sha256": "b2170bee0f51d67d400ac4151a44110d0ae91ac509503037ce4907ad4d5ddae8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0448",
    "kind": "arxiv",
    "version": 2
  }
}