Pith Number

pith:T5II4RKY

pith:1998:T5II4RKY4ZYO5ZVTUUPTPZO2VQ

not attested not anchored not stored refs pending

The ESO Slice Project (ESP) galaxy redshift survey: VI Groups of Galaxies

A.Blanchard, A.Cappi, A.Pisani, C.Balkowski, C.Collins, D.Maccagni, D.Proust, E.Zucca, G.Chincarini, G.M.Stirpe, G.Vettolani, G.Zamorani, H.MacGillivray, L.Guzzo, M.Mignoli, M.Ramella, R.Merighi, R.Scaramella, S.Maurogordato, V.Cayatte

arxiv:astro-ph/9811150 v1 · 1998-11-10 · 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{T5II4RKY4ZYO5ZVTUUPTPZO2VQ}

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	2026-07-04T14:16:18.467755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f508e4558e670eee6b3a51f37e5daac2cc476e811d1c34c166e6fcbfaaccc13

Aliases

arxiv: astro-ph/9811150 · arxiv_version: astro-ph/9811150v1 · doi: 10.48550/arxiv.astro-ph/9811150 · pith_short_12: T5II4RKY4ZYO · pith_short_16: T5II4RKY4ZYO5ZVT · pith_short_8: T5II4RKY

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/T5II4RKY4ZYO5ZVTUUPTPZO2VQ \
  | 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: 9f508e4558e670eee6b3a51f37e5daac2cc476e811d1c34c166e6fcbfaaccc13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73f1001819b8609bfb8170bc1551b92d29560708dccd6a8e240862106340a97e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-11-10T09:38:21Z",
    "title_canon_sha256": "49133b95ccc32a3d1d768c95b41c37926838a9028b685e4797e22addd4e29bc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9811150",
    "kind": "arxiv",
    "version": 1
  }
}