Pith Number

pith:75KPHQSP

pith:1995:75KPHQSPGG5Q7F4EW7ETGI4VFR

not attested not anchored not stored refs pending

A faint galaxy redshift survey to B=24

J. Allington-Smith, K. Glazebrook, M. Colless, N. Tanvir, R. Ellis, T. Broadhurst

arxiv:astro-ph/9503116 v1 · 1995-03-30 · 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{75KPHQSPGG5Q7F4EW7ETGI4VFR}

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	2026-05-18T01:40:23.623064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff54f3c24f31bb0f9784b7c93323952c40d103dd3e4181c24662fc1c3c747b65

Aliases

arxiv: astro-ph/9503116 · arxiv_version: astro-ph/9503116v1 · doi: 10.48550/arxiv.astro-ph/9503116 · pith_short_12: 75KPHQSPGG5Q · pith_short_16: 75KPHQSPGG5Q7F4E · pith_short_8: 75KPHQSP

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/75KPHQSPGG5Q7F4EW7ETGI4VFR \
  | 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: ff54f3c24f31bb0f9784b7c93323952c40d103dd3e4181c24662fc1c3c747b65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf64688e953b3a187771d9b11897041b194699aedec35513212a02ff1f67c634",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-03-30T17:22:50Z",
    "title_canon_sha256": "78cd227b0ac5ae9747af60fcd7a98bdc22c921cfb4ef83f08ea08d1f11b8c4e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9503116",
    "kind": "arxiv",
    "version": 1
  }
}