Pith Number

pith:I462JFLF

pith:2011:I462JFLFG7OPY2H2D4VITUW6IC

not attested not anchored not stored refs pending

Hubble flow around Fornax cluster of galaxies

Igor D. Karachentsev, Jos\'e A. de Freitas Pacheco, Olga G. Nasonova

arxiv:1106.1291 v1 · 2011-06-07 · 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{I462JFLFG7OPY2H2D4VITUW6IC}

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	2026-05-18T02:01:41.346676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473da4956537dcfc68fa1f2a89d2de40b7a0e3c2db40f7437a13f457e3911f15

Aliases

arxiv: 1106.1291 · arxiv_version: 1106.1291v1 · doi: 10.48550/arxiv.1106.1291 · pith_short_12: I462JFLFG7OP · pith_short_16: I462JFLFG7OPY2H2 · pith_short_8: I462JFLF

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/I462JFLFG7OPY2H2D4VITUW6IC \
  | 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: 473da4956537dcfc68fa1f2a89d2de40b7a0e3c2db40f7437a13f457e3911f15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9f673f12dc3671695499b411f6171ecac08f7f6a51da1479155baf153b44ffe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-07T09:20:49Z",
    "title_canon_sha256": "7d2a2b131ff39382d57273f7b727528bfc39e226221ef78dec9468580f5f1a96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1291",
    "kind": "arxiv",
    "version": 1
  }
}