Pith Number

pith:XTJVMXRY

pith:2025:XTJVMXRYBY733GXXNPBNK7GS46

not attested not anchored not stored refs pending

A data-driven approach for star formation parameterization using symbolic regression

Blakesley Burkhart, Diane M. Salim, Matthew E. Orr, Miles Cramner, Rachel S. Somerville

arxiv:2505.04681 v1 · 2025-05-07 · astro-ph.GA · 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{XTJVMXRYBY733GXXNPBNK7GS46}

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	2026-07-05T11:00:11.840924Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcd3565e380e3fbd9af76bc2d57cd2e78bf9a25f4a5579ebbb8e6214557f6bc6

Aliases

arxiv: 2505.04681 · arxiv_version: 2505.04681v1 · doi: 10.48550/arxiv.2505.04681 · pith_short_12: XTJVMXRYBY73 · pith_short_16: XTJVMXRYBY733GXX · pith_short_8: XTJVMXRY

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/XTJVMXRYBY733GXXNPBNK7GS46 \
  | 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: bcd3565e380e3fbd9af76bc2d57cd2e78bf9a25f4a5579ebbb8e6214557f6bc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "965725025dc7dc7a8adc211f908abf4df7b048e0919d526e4c59b20227252cb4",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-05-07T18:00:00Z",
    "title_canon_sha256": "f1730b8e0e0fd315c114a1d85b25063d253f97acd5c2ea09dd21e14aebde41d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04681",
    "kind": "arxiv",
    "version": 1
  }
}