Pith Number

pith:ZJ5IW2TK

pith:2016:ZJ5IW2TKU5756P3OBP2BK7XVKY

not attested not anchored not stored refs pending

A dynamics-free lower bound on the mass of our galaxy

Dennis Zaritsky, Helene Courtois

arxiv:1611.04574 v1 · 2016-11-14 · 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{ZJ5IW2TKU5756P3OBP2BK7XVKY}

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	2026-05-18T00:53:57.711501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca7a8b6a6aa77fdf3f6e0bf4157ef5561410cd42e471f121c9131d47f80c6800

Aliases

arxiv: 1611.04574 · arxiv_version: 1611.04574v1 · doi: 10.48550/arxiv.1611.04574 · pith_short_12: ZJ5IW2TKU575 · pith_short_16: ZJ5IW2TKU5756P3O · pith_short_8: ZJ5IW2TK

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/ZJ5IW2TKU5756P3OBP2BK7XVKY \
  | 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: ca7a8b6a6aa77fdf3f6e0bf4157ef5561410cd42e471f121c9131d47f80c6800

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2651ad18b7a05a14fe2dcf6ded6fb86a6bb75f828ded9bcfe4b0cb0bef0830e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-14T20:51:51Z",
    "title_canon_sha256": "ba97a8f8a67ed98717f09d513738cf80f335760c7d57fd389cfb08170f7771b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04574",
    "kind": "arxiv",
    "version": 1
  }
}