Pith Number

pith:52U2N45S

pith:1995:52U2N45SJKKCLFQMUIBIWOHU4C

not attested not anchored not stored refs pending

THE CANADA-FRANCE REDSHIFT SURVEY II: Spectroscopic Program; Data for the 0000-00 and 1000+25 Fields

David Crampton, F. Hammer, L. Tresse, O. Le Fevre, S.J. Lilly

arxiv:astro-ph/9507011 v1 · 1995-07-04 · 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{52U2N45SJKKCLFQMUIBIWOHU4C}

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	2026-05-18T01:07:41.530217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eea9a6f3b24a9425960ca2028b38f4e0bb7cb7a3144255f4fb6238d9813d6d71

Aliases

arxiv: astro-ph/9507011 · arxiv_version: astro-ph/9507011v1 · doi: 10.48550/arxiv.astro-ph/9507011 · pith_short_12: 52U2N45SJKKC · pith_short_16: 52U2N45SJKKCLFQM · pith_short_8: 52U2N45S

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/52U2N45SJKKCLFQMUIBIWOHU4C \
  | 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: eea9a6f3b24a9425960ca2028b38f4e0bb7cb7a3144255f4fb6238d9813d6d71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57b79225fea660d8792327ff2831deef8d7e8216a7cbd3cd9a21c740ca53f495",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-07-04T23:23:45Z",
    "title_canon_sha256": "f94cd3156e56b36f3176de2ef10bcd7bb6d063a8b48302d228e39933b8959f19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9507011",
    "kind": "arxiv",
    "version": 1
  }
}