Pith Number

pith:YE5OTTMC

pith:1996:YE5OTTMCCNDE4XG7F3FKS5TWZK

not attested not anchored not stored refs pending

Origin of the colour-magnitude relation of elliptical galaxies

Nobuo Arimoto (Institute of Astronomy, Tadayuki Kodama, Univ. of Tokyo)

arxiv:astro-ph/9609160 v1 · 1996-09-24 · 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{YE5OTTMCCNDE4XG7F3FKS5TWZK}

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.

Cited by

2 papers in Pith

The chemical make-up of the Sun: A 2020 vision

Towards a measurement of the primordial helium isotope ratio

Receipt and verification

First computed	2026-05-18T01:07:40.769525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c13ae9cd8213464e5cdf2ecaa97676ca84bd8ff6cd570919634078cff611fb91

Aliases

arxiv: astro-ph/9609160 · arxiv_version: astro-ph/9609160v1 · doi: 10.48550/arxiv.astro-ph/9609160 · pith_short_12: YE5OTTMCCNDE · pith_short_16: YE5OTTMCCNDE4XG7 · pith_short_8: YE5OTTMC

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/YE5OTTMCCNDE4XG7F3FKS5TWZK \
  | 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: c13ae9cd8213464e5cdf2ecaa97676ca84bd8ff6cd570919634078cff611fb91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66e47b353607321aa162918dfd6bb00145c6b2566c10fbbae739dc212d44ea79",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-09-24T07:18:39Z",
    "title_canon_sha256": "b57e66f7b08d1cfbfa71bb9dfd2f66db8d215e40d5282b30b36bc010343f4d9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9609160",
    "kind": "arxiv",
    "version": 1
  }
}