Pith Number

pith:3VY7NW24

pith:1992:3VY7NW247T2HCVS34HDHWV3LCG

not attested not anchored not stored refs pending

The Radial Structure of the Galactic Disc

Annie C. Robin, Michel Creze, Vijay Mohan

arxiv:astro-ph/9209001 v2 · 1992-09-04 · 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{3VY7NW247T2HCVS34HDHWV3LCG}

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	2026-05-18T04:21:41.350065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd71f6db5cfcf471565be1c67b576b118752fc465327a41557eb9de664c4565d

Aliases

arxiv: astro-ph/9209001 · arxiv_version: astro-ph/9209001v2 · doi: 10.48550/arxiv.astro-ph/9209001 · pith_short_12: 3VY7NW247T2H · pith_short_16: 3VY7NW247T2HCVS3 · pith_short_8: 3VY7NW24

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/3VY7NW247T2HCVS34HDHWV3LCG \
  | 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: dd71f6db5cfcf471565be1c67b576b118752fc465327a41557eb9de664c4565d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa5df5efa4422763d44faf63fe2c1ed4f2b2824a7c77c7a4014caf85351bd318",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1992-09-04T12:55:33Z",
    "title_canon_sha256": "bf87ffef5653879cf0d0004e527956387959f236776f8e0618bbd1d0618958df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9209001",
    "kind": "arxiv",
    "version": 2
  }
}