Pith Number

pith:B4WFWQPH

pith:2019:B4WFWQPHSIL3NWZ2PTKTUE5EMR

not attested not anchored not stored refs pending

Star Formation in Nearby Dwarf Galaxies

I.D Karachentsev, S.S. Kaisin

arxiv:1903.02375 v1 · 2019-03-06 · 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{B4WFWQPHSIL3NWZ2PTKTUE5EMR}

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	2026-05-17T23:47:16.875578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f2c5b41e79217b6db3a7cd53a13a46449d8d7401249cf0bb8ae24244b7fda6a

Aliases

arxiv: 1903.02375 · arxiv_version: 1903.02375v1 · doi: 10.48550/arxiv.1903.02375 · pith_short_12: B4WFWQPHSIL3 · pith_short_16: B4WFWQPHSIL3NWZ2 · pith_short_8: B4WFWQPH

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/B4WFWQPHSIL3NWZ2PTKTUE5EMR \
  | 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: 0f2c5b41e79217b6db3a7cd53a13a46449d8d7401249cf0bb8ae24244b7fda6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a522ac7c999f38afa06b8c9a7adca775df546bb4d5d5ebb96b1af0f8042f705",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-06T13:41:40Z",
    "title_canon_sha256": "67b4996c28635cf9a99fad6decb5a8f72caabbb65a6975f65cd6e3c524508232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02375",
    "kind": "arxiv",
    "version": 1
  }
}