Pith Number

pith:FSFYJPBX

pith:1999:FSFYJPBXFV7IEZUW47VOIPQSBB

not attested not anchored not stored refs pending

Redshift-Distance Survey of Early-type Galaxies. I. Sample Selection, Properties and Completeness

C. N. A. Willmer, C. Rite', G. Wegner, L. N. da Costa, M. A. G. Maia, M. Bernardi, M. V. Alonso, P. S. Pellegrini

arxiv:astro-ph/9912201 v1 · 1999-12-09 · 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{FSFYJPBXFV7IEZUW47VOIPQSBB}

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	2026-05-18T01:07:35.723361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c8b84bc372d7e826696e7eae43e12084abc36821593fc6c2292fe32a7db97ca

Aliases

arxiv: astro-ph/9912201 · arxiv_version: astro-ph/9912201v1 · doi: 10.48550/arxiv.astro-ph/9912201 · pith_short_12: FSFYJPBXFV7I · pith_short_16: FSFYJPBXFV7IEZUW · pith_short_8: FSFYJPBX

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/FSFYJPBXFV7IEZUW47VOIPQSBB \
  | 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: 2c8b84bc372d7e826696e7eae43e12084abc36821593fc6c2292fe32a7db97ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dde4179396a7f10e74756421be1e26a14b770edc983eb67218ddfea2e6bc9a9e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-12-09T18:28:11Z",
    "title_canon_sha256": "7a62b69fb7659ec6aaf4631da8429ccaa87f7b32c41a229734463f338610fd55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9912201",
    "kind": "arxiv",
    "version": 1
  }
}