Pith Number

pith:GIYQVHSY

pith:2009:GIYQVHSYUMPFFW2FINYEH2NCMZ

not attested not anchored not stored refs pending

Early-type dwarf galaxies in clusters: a mixed bag with various origins?

Thorsten Lisker

arxiv:0910.1594 v1 · 2009-10-08 · 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{GIYQVHSYUMPFFW2FINYEH2NCMZ}

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	2026-05-18T02:11:25.389110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32310a9e58a31e52db45437043e9a2666c6c500f83824aad44341af794044f57

Aliases

arxiv: 0910.1594 · arxiv_version: 0910.1594v1 · doi: 10.48550/arxiv.0910.1594 · pith_short_12: GIYQVHSYUMPF · pith_short_16: GIYQVHSYUMPFFW2F · pith_short_8: GIYQVHSY

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/GIYQVHSYUMPFFW2FINYEH2NCMZ \
  | 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: 32310a9e58a31e52db45437043e9a2666c6c500f83824aad44341af794044f57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c8cfc7c140681aa1c2a9f8dfbb91594bffbf87f3f199465d4a7903eb9496bf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-08T20:31:26Z",
    "title_canon_sha256": "459038afecf54566b6ecff8dc9d1b9358db6f8cbaca70c6b2296c2abb2a8085d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1594",
    "kind": "arxiv",
    "version": 1
  }
}