Pith Number

pith:SXIVVE7G

pith:2011:SXIVVE7GMKGMFMBSCOZV4HSHEM

not attested not anchored not stored refs pending

Mapping the Milky Way: William Herschel's Star-Gages

Todd Timberlake

arxiv:1112.3635 v1 · 2011-12-15 · physics.hist-ph · 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{SXIVVE7GMKGMFMBSCOZV4HSHEM}

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	2026-05-18T02:25:11.380999Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95d15a93e6628cc2b03213b35e1e47231234174f0aa48cce09a4501dbe9e393b

Aliases

arxiv: 1112.3635 · arxiv_version: 1112.3635v1 · doi: 10.48550/arxiv.1112.3635 · pith_short_12: SXIVVE7GMKGM · pith_short_16: SXIVVE7GMKGMFMBS · pith_short_8: SXIVVE7G

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/SXIVVE7GMKGMFMBSCOZV4HSHEM \
  | 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: 95d15a93e6628cc2b03213b35e1e47231234174f0aa48cce09a4501dbe9e393b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46550d458b9720de96c883e8e51b53f2f36f92b516be21608b3ee1f25004c641",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2011-12-15T20:17:37Z",
    "title_canon_sha256": "a58f034ede165209118f078e2bf9819b1274c9397defbdefa9eceda54996f755"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3635",
    "kind": "arxiv",
    "version": 1
  }
}