Pith Number

pith:RF2S4ZYO

pith:2001:RF2S4ZYOYGZPTM7VGSNEC46IUB

not attested not anchored not stored refs pending

IC 10: More evidence that it is a blue compact dwarf

A. Bullejos, Henry Lee, J. Borissova, L. Georgiev, Marshall L. McCall, M. G. Richer, M. Rosado, R. Kurtev, R. L. Kingsburgh, R. Ross

arxiv:astro-ph/0103066 v1 · 2001-03-05 · 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{RF2S4ZYOYGZPTM7VGSNEC46IUB}

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	2026-07-04T16:22:49.569115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89752e670ec1b2f9b3f5349a4173c8a0658436a6987c2416c5430c19b5f72913

Aliases

arxiv: astro-ph/0103066 · arxiv_version: astro-ph/0103066v1 · doi: 10.48550/arxiv.astro-ph/0103066 · pith_short_12: RF2S4ZYOYGZP · pith_short_16: RF2S4ZYOYGZPTM7V · pith_short_8: RF2S4ZYO

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/RF2S4ZYOYGZPTM7VGSNEC46IUB \
  | 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: 89752e670ec1b2f9b3f5349a4173c8a0658436a6987c2416c5430c19b5f72913

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "027f5d025c0c5ca864152fa9ef6703a0f67eae59b863a6e890813fd7d501b6b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-03-05T06:40:10Z",
    "title_canon_sha256": "21bf69036dba5ae0fd9c5a3af03b07aee1efced1f09d88294e37e94117dddce3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0103066",
    "kind": "arxiv",
    "version": 1
  }
}