Pith Number

pith:KUBHJZYR

pith:2012:KUBHJZYR6MDKAB6R5EGVKGZ3SH

not attested not anchored not stored refs pending

Bailing Out the Milky Way: Variation in the Properties of Massive Dwarfs Among Galaxy-Sized Systems

Andrew R. Zentner, Chris W. Purcell

arxiv:1208.4602 v2 · 2012-08-22 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KUBHJZYR6MDKAB6R5EGVKGZ3SH}

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	2026-05-18T01:54:59.435978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

550274e711f306a007d1e90d551b3b91cd19749925d1330665dd00234bd0e9c8

Aliases

arxiv: 1208.4602 · arxiv_version: 1208.4602v2 · doi: 10.48550/arxiv.1208.4602 · pith_short_12: KUBHJZYR6MDK · pith_short_16: KUBHJZYR6MDKAB6R · pith_short_8: KUBHJZYR

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/KUBHJZYR6MDKAB6R5EGVKGZ3SH \
  | 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: 550274e711f306a007d1e90d551b3b91cd19749925d1330665dd00234bd0e9c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "865d8831c69504e1d32fab48a23b1cd99d9ff806c15703ef6d17b7d8a1169633",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-08-22T20:00:01Z",
    "title_canon_sha256": "707a65c13964ba6282bb5f102e99cffba714ee72472e91d1379d7ef4e7bfbed1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.4602",
    "kind": "arxiv",
    "version": 2
  }
}