Pith Number

pith:P6HUEIX2

pith:2023:P6HUEIX2F5HZICYEUQYDFJPVAL

not attested not anchored not stored refs pending

sMILES SSPs: A Library of Semi-Empirical MILES Stellar Population Models with Variable [$\alpha$/Fe] Abundances

Adam T. Knowles, Alex Vazdekis, Anne E. Sansom, Carlos Allende Prieto

arxiv:2306.05942 v1 · 2023-06-09 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6HUEIX2F5HZICYEUQYDFJPVAL}

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	2026-07-05T06:19:12.219240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f8f4222fa2f4f940b04a43032a5f502d00cb8a6d32a9b99c904a90cdd2e0e20

Aliases

arxiv: 2306.05942 · arxiv_version: 2306.05942v1 · doi: 10.48550/arxiv.2306.05942 · pith_short_12: P6HUEIX2F5HZ · pith_short_16: P6HUEIX2F5HZICYE · pith_short_8: P6HUEIX2

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/P6HUEIX2F5HZICYEUQYDFJPVAL \
  | 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: 7f8f4222fa2f4f940b04a43032a5f502d00cb8a6d32a9b99c904a90cdd2e0e20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "022e08b96d0983cf4f395026807a9303aa174a504b2af7e7f47a3554d503e63a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-06-09T14:58:47Z",
    "title_canon_sha256": "fa4537ca2684872db456920033a0f1a691eaa5834adc89a51336522571cea84f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.05942",
    "kind": "arxiv",
    "version": 1
  }
}