Pith Number

pith:T4VB7CXL

pith:2011:T4VB7CXL4VQVLFJNHPIAUIA6VC

not attested not anchored not stored refs pending

Is the far border of the Local Void expanding?

(2) Observatoire de Paris - Meudon), I. Iwata (1), P. Chamaraux (2) ((1) National Astronomical Observatory of Japan

arxiv:1105.3750 v2 · 2011-05-18 · 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{T4VB7CXL4VQVLFJNHPIAUIA6VC}

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	2026-05-18T02:21:52.489071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f2a1f8aebe56155952d3bd00a201ea8b920f0b9dd43cd7cab073921b650ed17

Aliases

arxiv: 1105.3750 · arxiv_version: 1105.3750v2 · doi: 10.48550/arxiv.1105.3750 · pith_short_12: T4VB7CXL4VQV · pith_short_16: T4VB7CXL4VQVLFJN · pith_short_8: T4VB7CXL

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/T4VB7CXL4VQVLFJNHPIAUIA6VC \
  | 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: 9f2a1f8aebe56155952d3bd00a201ea8b920f0b9dd43cd7cab073921b650ed17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d30988ec81b0a361a1c401b4e0459820fed0cd012afef802705dc9a99bb7b99c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-18T20:55:49Z",
    "title_canon_sha256": "2618d4a7a227a50314862b291149765524631c00ff2c6c9ac78c8025e8307c30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3750",
    "kind": "arxiv",
    "version": 2
  }
}