Pith Number

pith:M6WGOV32

pith:1995:M6WGOV32QBZHZLDSNRLI5WBF7M

not attested not anchored not stored refs pending

The Canada-France Redshift Survey X: The Quasar Sample

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

arxiv:astro-ph/9508010 v1 · 1995-08-02 · 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{M6WGOV32QBZHZLDSNRLI5WBF7M}

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	2026-05-18T01:40:22.910196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67ac67577a80727cac726c568ed825fb0df5abe35194f2b91fa60f6a4728a03a

Aliases

arxiv: astro-ph/9508010 · arxiv_version: astro-ph/9508010v1 · doi: 10.48550/arxiv.astro-ph/9508010 · pith_short_12: M6WGOV32QBZH · pith_short_16: M6WGOV32QBZHZLDS · pith_short_8: M6WGOV32

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/M6WGOV32QBZHZLDSNRLI5WBF7M \
  | 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: 67ac67577a80727cac726c568ed825fb0df5abe35194f2b91fa60f6a4728a03a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e52964c25570ee2100937addc087c3ffc4c6dc9afd92423958a7b9e90e96143f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-08-02T23:45:06Z",
    "title_canon_sha256": "d748533edb83306f410fa1f834cb0645a10de649f07dbdc1428707189358d49c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9508010",
    "kind": "arxiv",
    "version": 1
  }
}