Pith Number

pith:4L3VCNY2

pith:2023:4L3VCNY2G2UPR77DPGWI7ZTPN3

not attested not anchored not stored refs pending

As Simple as Possible but No Simpler: Optimizing the Performance of Neural Net Emulators for Galaxy SED Fitting

Benjamin D. Johnson, Bingjie Wang, Elijah P. Mathews, Erica J. Nelson, Joel Leja, Joshua S. Speagle, Justus Gibson, Katherine A. Suess, Katherine E. Whitaker, Sandro Tacchella

arxiv:2306.16442 v1 · 2023-06-28 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4L3VCNY2G2UPR77DPGWI7ZTPN3}

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	2026-07-05T06:26:04.872895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2f751371a36a8f8ffe379ac8fe66f6ef3a7bd6d6608fc16185f97a07b3a0430

Aliases

arxiv: 2306.16442 · arxiv_version: 2306.16442v1 · doi: 10.48550/arxiv.2306.16442 · pith_short_12: 4L3VCNY2G2UP · pith_short_16: 4L3VCNY2G2UPR77D · pith_short_8: 4L3VCNY2

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/4L3VCNY2G2UPR77DPGWI7ZTPN3 \
  | 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: e2f751371a36a8f8ffe379ac8fe66f6ef3a7bd6d6608fc16185f97a07b3a0430

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04b4d19a7850c5bef664d747dec78ea316e84a322abc977de94f1433e8048bf7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-06-28T18:00:01Z",
    "title_canon_sha256": "d5e22748f9a7034937792e634818e722feaa6de0d7ea9c7264f0673948b7e895"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.16442",
    "kind": "arxiv",
    "version": 1
  }
}