Pith Number

pith:B3ZP2GGP

pith:2001:B3ZP2GGPU2NSV5D2GGNNNFMQ2X

not attested not anchored not stored refs pending

FUSE observations of the Blue Compact Dwarf Galaxy Mrk 59

(2) Institut d'Astrophysique de Paris, A. Lecavelier des Etangs (2), Charlottesville, France (3) Main Astronomical Observatory, Kyiv, Paris, T. X. Thuan (1), Ukraine), USA, Y. I. Izotov (3) ((1) University of Virginia

arxiv:astro-ph/0109518 v1 · 2001-09-27 · 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{B3ZP2GGPU2NSV5D2GGNNNFMQ2X}

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	2026-07-04T14:11:30.640499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ef2fd18cfa69b2af47a319ad69590d5f12cb2fb8068ccd2a24805a176884cdd

Aliases

arxiv: astro-ph/0109518 · arxiv_version: astro-ph/0109518v1 · doi: 10.48550/arxiv.astro-ph/0109518 · pith_short_12: B3ZP2GGPU2NS · pith_short_16: B3ZP2GGPU2NSV5D2 · pith_short_8: B3ZP2GGP

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/B3ZP2GGPU2NSV5D2GGNNNFMQ2X \
  | 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: 0ef2fd18cfa69b2af47a319ad69590d5f12cb2fb8068ccd2a24805a176884cdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1a943e82d2205d85b3a600ef35bba2459e0c84651e29adde59f6d46dedec961",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-27T15:27:59Z",
    "title_canon_sha256": "a9246a2048cc0d4a6266ce767b3aca6c0750116fea438aeca0f7726d78db43ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109518",
    "kind": "arxiv",
    "version": 1
  }
}