Pith Number

pith:ZUQ4JICX

pith:1997:ZUQ4JICXT5P5YMLLUBA2BSL7OR

not attested not anchored not stored refs pending

The Morphology of HII Galaxies

Eduardo Telles (Sao Paulo), Jorge Melnick (ESO), Roberto Terlevich (RGO)

arxiv:astro-ph/9701062 v1 · 1997-01-13 · 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{ZUQ4JICXT5P5YMLLUBA2BSL7OR}

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	2026-05-18T01:40:18.398501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd21c4a0579f5fdc316ba041a0c97f747c70ed1c264622e5424ea1ee106d41ed

Aliases

arxiv: astro-ph/9701062 · arxiv_version: astro-ph/9701062v1 · doi: 10.48550/arxiv.astro-ph/9701062 · pith_short_12: ZUQ4JICXT5P5 · pith_short_16: ZUQ4JICXT5P5YMLL · pith_short_8: ZUQ4JICX

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/ZUQ4JICXT5P5YMLLUBA2BSL7OR \
  | 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: cd21c4a0579f5fdc316ba041a0c97f747c70ed1c264622e5424ea1ee106d41ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d8e452af28fdeaf314be931cac210375e451b5d0e656f0bbf812fd0120f666e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-01-13T15:55:39Z",
    "title_canon_sha256": "28966feb15a9528378e9c71e44f980ec7b8e8c74374fb845fc9e214c2a8f065b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9701062",
    "kind": "arxiv",
    "version": 1
  }
}