Pith Number

pith:K7AUPYYH

pith:2001:K7AUPYYHTWHQ3IRKYAGDAOJ5KO

not attested not anchored not stored refs pending

Multiwavelength Observations of the Low Metallicity Blue Compact Dwarf Galaxy SBS 0335-052

B.T. Soifer, Daniel A. Dale, David T. Frayer (Caltech), George Helou, Gerry Neugebauer, James J. Condon (NRAO)

arxiv:astro-ph/0107108 v1 · 2001-07-05 · 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{K7AUPYYHTWHQ3IRKYAGDAOJ5KO}

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	2026-07-04T16:23:39.858150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57c147e3079d8f0da22ac00c30393d53a1b75bd115ae2f544f3ec9bbbac628e7

Aliases

arxiv: astro-ph/0107108 · arxiv_version: astro-ph/0107108v1 · doi: 10.48550/arxiv.astro-ph/0107108 · pith_short_12: K7AUPYYHTWHQ · pith_short_16: K7AUPYYHTWHQ3IRK · pith_short_8: K7AUPYYH

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/K7AUPYYHTWHQ3IRKYAGDAOJ5KO \
  | 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: 57c147e3079d8f0da22ac00c30393d53a1b75bd115ae2f544f3ec9bbbac628e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71e3126268ce34631eeacca5c6710346b75d690e226a6b5d85bd66cdba129d73",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-05T19:57:37Z",
    "title_canon_sha256": "8b4def0d4f1234c5e9ac1644388446be611cb6b1b51944ec5472339e06fdc389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107108",
    "kind": "arxiv",
    "version": 1
  }
}