Pith Number

pith:XQPRAO6B

pith:2012:XQPRAO6BW7DAVJR3AJ7UIR5QLP

not attested not anchored not stored refs pending

The symmetries and scaling of tidal tails in galaxies

Beverly J. Smith (East Tennessee State), Curtis Struck (Iowa State)

arxiv:1202.5280 v1 · 2012-02-23 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQPRAO6BW7DAVJR3AJ7UIR5QLP}

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	2026-05-18T01:58:20.232390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc1f103bc1b7c60aa63b027f4447b05bd78373ba35087a373d1760ede568dd5b

Aliases

arxiv: 1202.5280 · arxiv_version: 1202.5280v1 · doi: 10.48550/arxiv.1202.5280 · pith_short_12: XQPRAO6BW7DA · pith_short_16: XQPRAO6BW7DAVJR3 · pith_short_8: XQPRAO6B

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/XQPRAO6BW7DAVJR3AJ7UIR5QLP \
  | 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: bc1f103bc1b7c60aa63b027f4447b05bd78373ba35087a373d1760ede568dd5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea35eb49ae46b7774c9f7d256f5f89f6fa68a2fe826c0957aa3b7796e54eff46",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-23T20:09:18Z",
    "title_canon_sha256": "bcd5f852d4c7a1c3ba2535327e0bac4030a10ca0fa2774f2af981e81695c6516"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5280",
    "kind": "arxiv",
    "version": 1
  }
}