Pith Number

pith:4USOJQOT

pith:2004:4USOJQOTTTZLFI54LTCBAVDGJN

not attested not anchored not stored refs pending

The Tiling Algorithm for the 6dF Galaxy Survey

Lachlan Campbell, Matthew Colless, Will Saunders

arxiv:astro-ph/0403502 v1 · 2004-03-21 · 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{4USOJQOTTTZLFI54LTCBAVDGJN}

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	2026-05-18T04:27:04.555985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e524e4c1d39cf2b2a3bc5cc41054664b4a1b083d277eda645f8fabf09c57dd38

Aliases

arxiv: astro-ph/0403502 · arxiv_version: astro-ph/0403502v1 · doi: 10.48550/arxiv.astro-ph/0403502 · pith_short_12: 4USOJQOTTTZL · pith_short_16: 4USOJQOTTTZLFI54 · pith_short_8: 4USOJQOT

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/4USOJQOTTTZLFI54LTCBAVDGJN \
  | 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: e524e4c1d39cf2b2a3bc5cc41054664b4a1b083d277eda645f8fabf09c57dd38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70470d75ec04d3c8182a6a6bbc156e3a4309f0b6f98fc4e11799f66cff0b51e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-21T02:23:19Z",
    "title_canon_sha256": "8745134ad590b204976c62ba82c9051d1e0dd9a9d67e281c361cd2c8b4d4d194"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403502",
    "kind": "arxiv",
    "version": 1
  }
}