Pith Number

pith:3ZXV3SCY

pith:2011:3ZXV3SCYT6GO4CR5NN3QD3XYAZ

not attested not anchored not stored refs pending

Demographics of Bulge Types within 11 Mpc and Implications for Galaxy Evolution

David B. Fisher, Niv Drory

arxiv:1104.0020 v1 · 2011-03-31 · 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{3ZXV3SCYT6GO4CR5NN3QD3XYAZ}

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	2026-05-18T02:02:41.889885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de6f5dc8589f8cee0a3d6b7701eef8066f4acf194a83b362ae592e434c2fed35

Aliases

arxiv: 1104.0020 · arxiv_version: 1104.0020v1 · doi: 10.48550/arxiv.1104.0020 · pith_short_12: 3ZXV3SCYT6GO · pith_short_16: 3ZXV3SCYT6GO4CR5 · pith_short_8: 3ZXV3SCY

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/3ZXV3SCYT6GO4CR5NN3QD3XYAZ \
  | 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: de6f5dc8589f8cee0a3d6b7701eef8066f4acf194a83b362ae592e434c2fed35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aacc63f11c7678515b75b9f5c015b63bface4e4fbf200f94d2d4bffe3c98b378",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-31T20:10:19Z",
    "title_canon_sha256": "ecc556458ed40a7528b826a8416a26fffd8107581b435b09b0f79c3224e972bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0020",
    "kind": "arxiv",
    "version": 1
  }
}