Pith Number

pith:WA3THJNY

pith:2009:WA3THJNYHVNDXDIS2IWACFW7O6

not attested not anchored not stored refs pending

Testing of the dwarf galaxy content and the evolutionary status of nearby groups of galaxies

J. Vennik, U. Hopp

arxiv:0908.4478 v1 · 2009-08-31 · 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{WA3THJNYHVNDXDIS2IWACFW7O6}

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	2026-05-18T02:12:12.777882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b03733a5b83d5a3b8d12d22c0116df77bc1c62d28cfca66f08250dd17f44a89e

Aliases

arxiv: 0908.4478 · arxiv_version: 0908.4478v1 · doi: 10.48550/arxiv.0908.4478 · pith_short_12: WA3THJNYHVND · pith_short_16: WA3THJNYHVNDXDIS · pith_short_8: WA3THJNY

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/WA3THJNYHVNDXDIS2IWACFW7O6 \
  | 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: b03733a5b83d5a3b8d12d22c0116df77bc1c62d28cfca66f08250dd17f44a89e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "116fecaa2429db1828598b12764a8faa9e0ef5ebc900fc86ec2139f1f38537ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-31T08:47:10Z",
    "title_canon_sha256": "cbd320c920cd250f4b061521eca5df8aba1918c05d60751e72b7a454f8e77cbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4478",
    "kind": "arxiv",
    "version": 1
  }
}