Pith Number

pith:OEXDNSAP

pith:1999:OEXDNSAPGOLQMX5EQ7CNGOEA65

not attested not anchored not stored refs pending

Color and Morphology of Galaxies in the Region of the 3C 324 Clusters at z $\sim$ 1.2

Masaru Kajisawa, Toru Yamada

arxiv:astro-ph/9909348 v1 · 1999-09-21 · 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{OEXDNSAPGOLQMX5EQ7CNGOEA65}

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	2026-05-18T01:40:12.644575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

712e36c80f3397065fa487c4d33880f763aa356422d439706d02e840c06c3efc

Aliases

arxiv: astro-ph/9909348 · arxiv_version: astro-ph/9909348v1 · doi: 10.48550/arxiv.astro-ph/9909348 · pith_short_12: OEXDNSAPGOLQ · pith_short_16: OEXDNSAPGOLQMX5E · pith_short_8: OEXDNSAP

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/OEXDNSAPGOLQMX5EQ7CNGOEA65 \
  | 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: 712e36c80f3397065fa487c4d33880f763aa356422d439706d02e840c06c3efc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5691eeeafa109342e60cbe5563babf0b9b7015202778bf0160836e1711a5dc1a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-09-21T09:26:42Z",
    "title_canon_sha256": "6bf59881a0a198e2236b2e2bc48c9db8d2a3ee90db0a30875f7a967a5e6799fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9909348",
    "kind": "arxiv",
    "version": 1
  }
}