Pith Number

pith:X7DZRHMR

pith:2003:X7DZRHMREWENYWXK7OX2MC5EA3

not attested not anchored not stored refs pending

Propagation velocities of gas rings in collisional ring galaxies

E. I. Vorobyov (Institute of Physics, El Paso, Isaac Newton Institute of Chile, Moscow, Moscow Branch), Rostov-on-Don, Rostov-on-Don Branch) D. Bizyaev (Physics Dept., Russia, Russia; Isaac Newton Institute of Chile, Stachki, Texas, USA; Sternberg Astronomical Institute, UTEP

arxiv:astro-ph/0301525 v1 · 2003-01-27 · 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{X7DZRHMREWENYWXK7OX2MC5EA3}

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	2026-05-18T04:21:42.111207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfc7989d912588dc5aeafbafa60ba406da22ceacb04c6a49250a302a9b7c0ec7

Aliases

arxiv: astro-ph/0301525 · arxiv_version: astro-ph/0301525v1 · doi: 10.48550/arxiv.astro-ph/0301525 · pith_short_12: X7DZRHMREWEN · pith_short_16: X7DZRHMREWENYWXK · pith_short_8: X7DZRHMR

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/X7DZRHMREWENYWXK7OX2MC5EA3 \
  | 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: bfc7989d912588dc5aeafbafa60ba406da22ceacb04c6a49250a302a9b7c0ec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b373543bd0c78ad9016843ff4c5d70e60578680d52b47acf9e6a03f54e85e98",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-01-27T06:17:13Z",
    "title_canon_sha256": "96e0b7b5a4407a52370c286ed2d978514b2d8f5d83561902c6c6c4f5f8715898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0301525",
    "kind": "arxiv",
    "version": 1
  }
}