Pith Number

pith:JBWSWIPN

pith:2001:JBWSWIPNXPMTF7C4BLD5IY42JQ

not attested not anchored not stored refs pending

Effect of the environment on the Fundamental Plane of elliptical galaxies

E.A.Evstigneeva, N.Ya.Sotnikova (AI SPbSU, Russia), V.P.Reshetnikov

arxiv:astro-ph/0110105 v1 · 2001-10-04 · 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{JBWSWIPNXPMTF7C4BLD5IY42JQ}

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	2026-05-18T01:07:45.458766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

486d2b21edbbd932fc5c0ac7d4639a4c1b4df37aa9887582a0f602c4b066e4a3

Aliases

arxiv: astro-ph/0110105 · arxiv_version: astro-ph/0110105v1 · doi: 10.48550/arxiv.astro-ph/0110105 · pith_short_12: JBWSWIPNXPMT · pith_short_16: JBWSWIPNXPMTF7C4 · pith_short_8: JBWSWIPN

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/JBWSWIPNXPMTF7C4BLD5IY42JQ \
  | 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: 486d2b21edbbd932fc5c0ac7d4639a4c1b4df37aa9887582a0f602c4b066e4a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbc6f7fe51296451d429174cfd5c14a6b07d5558493aae23d2deeab91d871898",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-10-04T07:49:00Z",
    "title_canon_sha256": "4a7bc4e07d1ba4e8b3c31e576a3d9e5347c7bc526012d449a7f241a3a651d706"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0110105",
    "kind": "arxiv",
    "version": 1
  }
}