Pith Number

pith:SDHUDHKN

pith:2010:SDHUDHKN4GZJGAZO33ZL4IUOFN

not attested not anchored not stored refs pending

The CoNFIG Catalogue - II. Comparison of Space Densities in the FR Dichotomy

J. V. Wall, Melanie A. Gendre, P. N. Best

arxiv:1001.4514 v1 · 2010-01-25 · 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{SDHUDHKN4GZJGAZO33ZL4IUOFN}

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	2026-05-18T02:09:30.207139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90cf419d4de1b293032edef2be228e2b6681337ec476393c3d8d893face8343d

Aliases

arxiv: 1001.4514 · arxiv_version: 1001.4514v1 · doi: 10.48550/arxiv.1001.4514 · pith_short_12: SDHUDHKN4GZJ · pith_short_16: SDHUDHKN4GZJGAZO · pith_short_8: SDHUDHKN

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/SDHUDHKN4GZJGAZO33ZL4IUOFN \
  | 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: 90cf419d4de1b293032edef2be228e2b6681337ec476393c3d8d893face8343d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d21e91e69e459d977c778a8ff73a51925b50c92b017a737521a2a347915480c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-01-25T17:59:15Z",
    "title_canon_sha256": "f41657599b2e41f495911519aacbbd2b5d3d58aa4a24fa9f34e0594473d646fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.4514",
    "kind": "arxiv",
    "version": 1
  }
}