Pith Number

pith:GMIZ5FNG

pith:2009:GMIZ5FNG4BKWEEZDOD7JVHJBGP

not attested not anchored not stored refs pending

The Linearity of the Cosmic Expansion Field from 300 to 30,000 km/s and the Bulk Motion of the Local Supercluster with Respect to the CMB

(2) Department of Physics, A. Sandage (1), Astronomy, B. Reindl (2), G.A. Tammann (2) ((1) Observatories Carnegie Inst. Washington, Univ. of Basel)

arxiv:0911.4925 v2 · 2009-11-25 · 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{GMIZ5FNG4BKWEEZDOD7JVHJBGP}

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	2026-05-18T02:24:46.110418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33119e95a6e05562132370fe9a9d2133c3666c670caf6e7f077c0cd416a4d90c

Aliases

arxiv: 0911.4925 · arxiv_version: 0911.4925v2 · doi: 10.48550/arxiv.0911.4925 · pith_short_12: GMIZ5FNG4BKW · pith_short_16: GMIZ5FNG4BKWEEZD · pith_short_8: GMIZ5FNG

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/GMIZ5FNG4BKWEEZDOD7JVHJBGP \
  | 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: 33119e95a6e05562132370fe9a9d2133c3666c670caf6e7f077c0cd416a4d90c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f9dfc0e9ec9f06628b0b883a5d965c14d8524ffdd6249d694e8134cbf81b58c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-11-25T17:29:43Z",
    "title_canon_sha256": "93d7e9818e457775c504393532942031eb599d38cb99266c51a6fa2a71f4a42f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4925",
    "kind": "arxiv",
    "version": 2
  }
}