Pith Number

pith:FL4ZJFBN

pith:2015:FL4ZJFBNEENJJMT65EOTL6YP2G

not attested not anchored not stored refs pending

Galaxy Zoo: the dependence of the star formation-stellar mass relation on spiral disk morphology

Brooke D. Simmons, Chris J. Lintott, Edmond Cheung, Karen L. Masters, Kevin Schawinski, Kyle W. Willett, Lucy Fortson, O. Ivy Wong, Ramin A. Skibba, Robert C. Nichol, Sugata Kaviraj, Thomas Melvin

arxiv:1502.03444 v1 · 2015-02-11 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FL4ZJFBNEENJJMT65EOTL6YP2G}

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	2026-05-18T02:04:06.764952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2af994942d211a94b27ee91d35fb0fd18f26f48a29c04dc4cc36e37dbf1ad5fb

Aliases

arxiv: 1502.03444 · arxiv_version: 1502.03444v1 · doi: 10.48550/arxiv.1502.03444 · pith_short_12: FL4ZJFBNEENJ · pith_short_16: FL4ZJFBNEENJJMT6 · pith_short_8: FL4ZJFBN

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/FL4ZJFBNEENJJMT65EOTL6YP2G \
  | 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: 2af994942d211a94b27ee91d35fb0fd18f26f48a29c04dc4cc36e37dbf1ad5fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d20ec2226bc5d3c21344a68e034690879dcbfc93a94dfc70cc7f5099f3f8a9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-11T21:00:12Z",
    "title_canon_sha256": "e61a5d84fd5c7388992840beba690938954afdee0cb60cdc34e7f93a6609557e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03444",
    "kind": "arxiv",
    "version": 1
  }
}