Pith Number

pith:EHWPYOWO

pith:2021:EHWPYOWOCSDRMDUJ2RTVHIIMZC

not attested not anchored not stored refs pending

Tracing satellite planes in the Sculptor group: I. Discovery of three faint dwarf galaxies around NGC 253

Behnam Javanmardi, David Martinez-Delgado, Dmitry Makarov, Dustin Lang, Giuseppe Donatiello, Javier Roman, Julio A. Carballo-Bello, Kathy Vivas, Lidia Makarova, Marcel S. Pawlowski

arxiv:2106.08868 v1 · 2021-06-16 · 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{EHWPYOWOCSDRMDUJ2RTVHIIMZC}

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	2026-07-05T03:04:54.724582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21ecfc3ace1487160e89d46753a10cc899202dd473b2c3ee93bf62ffffe8a342

Aliases

arxiv: 2106.08868 · arxiv_version: 2106.08868v1 · doi: 10.48550/arxiv.2106.08868 · pith_short_12: EHWPYOWOCSDR · pith_short_16: EHWPYOWOCSDRMDUJ · pith_short_8: EHWPYOWO

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/EHWPYOWOCSDRMDUJ2RTVHIIMZC \
  | 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: 21ecfc3ace1487160e89d46753a10cc899202dd473b2c3ee93bf62ffffe8a342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e87af8303b5d230dd1cdeb47c66be7c392075bb76216b81b43468b02ddf5019",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-06-16T15:42:39Z",
    "title_canon_sha256": "8a6dc30465f5f9ac068d1afb591a3e358d90e64bf951b983eaa9b2abfd619703"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.08868",
    "kind": "arxiv",
    "version": 1
  }
}