Pith Number

pith:AMDMZPSE

pith:1993:AMDMZPSE2TJCCIBJ2VGDCXNNQQ

not attested not anchored not stored refs pending

Synthetic metal line indices for elliptical galaxies from super metal rich alpha-enhanced stellar models

A. Weiss, F. Matteucci, R.F. Peletier

arxiv:astro-ph/9312051 v1 · 1993-12-21 · 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{AMDMZPSE2TJCCIBJ2VGDCXNNQQ}

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	2026-07-04T14:14:27.153187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0306ccbe44d4d2212029d54c315dad841125d44539383d4c0621775c22c6e245

Aliases

arxiv: astro-ph/9312051 · arxiv_version: astro-ph/9312051v1 · doi: 10.48550/arxiv.astro-ph/9312051 · pith_short_12: AMDMZPSE2TJC · pith_short_16: AMDMZPSE2TJCCIBJ · pith_short_8: AMDMZPSE

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/AMDMZPSE2TJCCIBJ2VGDCXNNQQ \
  | 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: 0306ccbe44d4d2212029d54c315dad841125d44539383d4c0621775c22c6e245

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62253ec5732a000010b6e3229795ea1f6ece662f68dd21a4d27b592dafe52f7d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1993-12-21T16:02:51Z",
    "title_canon_sha256": "80d733619b7c78947ce821c7799900aa860020d73a351059f606d0f98fb75dfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9312051",
    "kind": "arxiv",
    "version": 1
  }
}