Pith Number

pith:PKFKUQ5R

pith:2013:PKFKUQ5RWVRDNQ46YQYHFAGTJE

not attested not anchored not stored refs pending

A Possible Formation Scenario for Dwarf Spheroidal Galaxies I: Fiducial Model

Mark I. Wilkinson, Michael Fellhauer, Paulina Assmann, Rory Smith

arxiv:1303.4388 v1 · 2013-03-18 · 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{PKFKUQ5RWVRDNQ46YQYHFAGTJE}

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	2026-05-18T01:51:01.078666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a8aaa43b1b56236c39ec4307280d3492e5c052d8b495ed19d2607f76586043a

Aliases

arxiv: 1303.4388 · arxiv_version: 1303.4388v1 · doi: 10.48550/arxiv.1303.4388 · pith_short_12: PKFKUQ5RWVRD · pith_short_16: PKFKUQ5RWVRDNQ46 · pith_short_8: PKFKUQ5R

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/PKFKUQ5RWVRDNQ46YQYHFAGTJE \
  | 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: 7a8aaa43b1b56236c39ec4307280d3492e5c052d8b495ed19d2607f76586043a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09bdf80ae27a4cac07678d7085f875c830eae0edff677f17c0b22e1e7c372e19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-03-18T20:00:00Z",
    "title_canon_sha256": "905127b594f576536e7a59546e78fe314d5305fa897818437c38ab9bc44d2206"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4388",
    "kind": "arxiv",
    "version": 1
  }
}