Pith Number

pith:3ND4TZ7M

pith:2009:3ND4TZ7MECSGLJ77H4C2PY4CNL

not attested not anchored not stored refs pending

Effect of asymmetry of the radio source distribution on the apparent proper motion kinematic analysis

Oleg Titov, Zinovy Malkin

arxiv:0911.3221 v1 · 2009-11-17 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ND4TZ7MECSGLJ77H4C2PY4CNL}

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	2026-05-18T02:34:05.008786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db47c9e7ec20a465a7ff3f05a7e3826ad3a46efd7ed554b855765341e58119f2

Aliases

arxiv: 0911.3221 · arxiv_version: 0911.3221v1 · doi: 10.48550/arxiv.0911.3221 · pith_short_12: 3ND4TZ7MECSG · pith_short_16: 3ND4TZ7MECSGLJ77 · pith_short_8: 3ND4TZ7M

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/3ND4TZ7MECSGLJ77H4C2PY4CNL \
  | 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: db47c9e7ec20a465a7ff3f05a7e3826ad3a46efd7ed554b855765341e58119f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b567b89dfd6630c04603e03632bf2ee05bf2dafe30d1285d576defc2277d8273",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-17T07:23:48Z",
    "title_canon_sha256": "09659052fde91d90803c3bfc054ad01d365a4cf83d272a39f510660355cb3548"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3221",
    "kind": "arxiv",
    "version": 1
  }
}