Pith Number

pith:722PXGWC

pith:1999:722PXGWCFGBFOWJ36KUNNYFSCG

not attested not anchored not stored refs pending

SBS 0335-052W - an Extremely Low Metallicity Dwarf Galaxy

A.Y.Kniazev, C.B.Foltz, F.H.Chaffee, U.Hopp, V.A.Lipovetsky, Y.I.Izotov

arxiv:astro-ph/9902368 v1 · 1999-02-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{722PXGWCFGBFOWJ36KUNNYFSCG}

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	2026-05-18T02:40:34.812647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb4fb9ac2298257593bf2a8d6e0b2119ddce83454d14dd3f50e962f0c61bbec

Aliases

arxiv: astro-ph/9902368 · arxiv_version: astro-ph/9902368v1 · doi: 10.48550/arxiv.astro-ph/9902368 · pith_short_12: 722PXGWCFGBF · pith_short_16: 722PXGWCFGBFOWJ3 · pith_short_8: 722PXGWC

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/722PXGWCFGBFOWJ36KUNNYFSCG \
  | 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: feb4fb9ac2298257593bf2a8d6e0b2119ddce83454d14dd3f50e962f0c61bbec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18ff9b7c74ca50c3d31184c76f0f195d7a9f3b172fd5fef7757985721c6654a8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-25T21:47:08Z",
    "title_canon_sha256": "ad68c99dd8bf2e1cbd204d4bfdefcfb103f082134a996b2298ea426953a94e28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902368",
    "kind": "arxiv",
    "version": 1
  }
}