Pith Number

pith:24CRCU7I

pith:2011:24CRCU7I2FJF3RYOWPWIPZL7LY

not attested not anchored not stored refs pending

Structure and Evolution of the Milky Way

Ken Freeman

arxiv:1108.5028 v1 · 2011-08-25 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{24CRCU7I2FJF3RYOWPWIPZL7LY}

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	2026-05-18T02:00:48.303789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7051153e8d1525dc70eb3ec87e57f5e0a0177f66244f9ad445c9beba955c943

Aliases

arxiv: 1108.5028 · arxiv_version: 1108.5028v1 · doi: 10.48550/arxiv.1108.5028 · pith_short_12: 24CRCU7I2FJF · pith_short_16: 24CRCU7I2FJF3RYO · pith_short_8: 24CRCU7I

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/24CRCU7I2FJF3RYOWPWIPZL7LY \
  | 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: d7051153e8d1525dc70eb3ec87e57f5e0a0177f66244f9ad445c9beba955c943

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43663f5755cb0505218f246687714c5b74205d34ebedb849923cdc255c32fb29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-08-25T07:28:32Z",
    "title_canon_sha256": "6d1b5073fed21b2d2623c6792622fe5d7c8aadee6fe3c4b8d5a36b224ed8a7d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5028",
    "kind": "arxiv",
    "version": 1
  }
}