Pith Number

pith:CFK7OSZJ

pith:2004:CFK7OSZJSY7VZDNRVQGX6B52RR

not attested not anchored not stored refs pending

A search for low surface brightness dwarf galaxies in different environments

J. Davies, K. O'Neil, M. Baes, Rh. Evans, R. Smith, S. Linder, S. Roberts, S. Sabatini, W. van Driel

arxiv:astro-ph/0404353 v1 · 2004-04-19 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFK7OSZJSY7VZDNRVQGX6B52RR}

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	2026-07-04T16:43:36.055436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1155f74b29963f5c8db1ac0d7f07ba8c7876aebcdc840b2e69b2435556b781ee

Aliases

arxiv: astro-ph/0404353 · arxiv_version: astro-ph/0404353v1 · doi: 10.48550/arxiv.astro-ph/0404353 · pith_short_12: CFK7OSZJSY7V · pith_short_16: CFK7OSZJSY7VZDNR · pith_short_8: CFK7OSZJ

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/CFK7OSZJSY7VZDNRVQGX6B52RR \
  | 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: 1155f74b29963f5c8db1ac0d7f07ba8c7876aebcdc840b2e69b2435556b781ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cc2e4ebe30db2cb0752a78c63a8f5af31a15c516bf4eaee1985ecb90286a5f1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-19T13:44:41Z",
    "title_canon_sha256": "d72dcfd48d13538123cd75f2e0e0c37dd0fbfb57e4f3c6c7a633d667ceb22782"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404353",
    "kind": "arxiv",
    "version": 1
  }
}