Pith Number

pith:2232C4VN

pith:1997:2232C4VN64DPINA4KUURINLFSD

not attested not anchored not stored refs pending

The Abundance Gradient of NGC 1365: Evidence for a Recently Formed Bar in an Archetype Barred Spiral Galaxy?

J.-R. Roy (Universite Laval), J. R. Walsh (ESO)

arxiv:astro-ph/9705032 v1 · 1997-05-06 · 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{2232C4VN64DPINA4KUURINLFSD}

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	2026-05-18T01:40:17.548754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6b7a172adf706f4341c552914356590e4c25ae3aa9f66730c469af12b3fa8c2

Aliases

arxiv: astro-ph/9705032 · arxiv_version: astro-ph/9705032v1 · doi: 10.48550/arxiv.astro-ph/9705032 · pith_short_12: 2232C4VN64DP · pith_short_16: 2232C4VN64DPINA4 · pith_short_8: 2232C4VN

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/2232C4VN64DPINA4KUURINLFSD \
  | 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: d6b7a172adf706f4341c552914356590e4c25ae3aa9f66730c469af12b3fa8c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ced045d1a61754f1d58f66ce8da7c26dd4aff12d686cd6e4c1571374978536a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-05-06T08:42:31Z",
    "title_canon_sha256": "2dfcc0210ee634d9b9b4a5a765150cad4cccfa99402009aafc4e04f68139ee15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9705032",
    "kind": "arxiv",
    "version": 1
  }
}