Pith Number

pith:TXIWADFG

pith:2007:TXIWADFGLXOGXTMH5XKH5G5AUH

not attested not anchored not stored refs pending

The Millennium Galaxy Catalogue: Science highlights

Alister W. Graham, Jochen Liske, Simon P. Driver

arxiv:astro-ph/0701468 v1 · 2007-01-16 · 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{TXIWADFGLXOGXTMH5XKH5G5AUH}

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	2026-07-04T14:58:45.355189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dd1600ca65ddc6bcd87edd47e9ba0a1f09a00242c97428ef9d51e5accad171c

Aliases

arxiv: astro-ph/0701468 · arxiv_version: astro-ph/0701468v1 · doi: 10.48550/arxiv.astro-ph/0701468 · pith_short_12: TXIWADFGLXOG · pith_short_16: TXIWADFGLXOGXTMH · pith_short_8: TXIWADFG

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/TXIWADFGLXOGXTMH5XKH5G5AUH \
  | 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: 9dd1600ca65ddc6bcd87edd47e9ba0a1f09a00242c97428ef9d51e5accad171c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d37729e102b6bcb2ed608326fbe1f195816d8494be32368817ac67ff6da70f5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-01-16T16:29:52Z",
    "title_canon_sha256": "cf7baadde16d3c7508ad346397a39f4e28ee9fa0b7fa55ecd3d024dd13aa11c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0701468",
    "kind": "arxiv",
    "version": 1
  }
}