Pith Number

pith:BTR7EQY6

pith:2015:BTR7EQY6CSFA7PR5BNVXJLFPLD

not attested not anchored not stored refs pending

Galaxy Zoo: Evidence for Diverse Star Formation Histories through the Green Valley

B. D. Simmons, C. J. Lintott, K. L. Masters, K. Schawinski, K. W. Willett, L. Fortson, P. J. Marshall, R. A. Skibba, R. C. Nichol, R. J. Smethurst, S. Bamford, S. Kaviraj, T. Melvin

arxiv:1501.05955 v1 · 2015-01-23 · 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{BTR7EQY6CSFA7PR5BNVXJLFPLD}

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	2026-05-18T01:41:08.948756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ce3f2431e148a0fbe3d0b6b74acaf58fd0ce6fad6bf34594e5383848ffefb2a

Aliases

arxiv: 1501.05955 · arxiv_version: 1501.05955v1 · doi: 10.48550/arxiv.1501.05955 · pith_short_12: BTR7EQY6CSFA · pith_short_16: BTR7EQY6CSFA7PR5 · pith_short_8: BTR7EQY6

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/BTR7EQY6CSFA7PR5BNVXJLFPLD \
  | 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: 0ce3f2431e148a0fbe3d0b6b74acaf58fd0ce6fad6bf34594e5383848ffefb2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f44c5174ce633e3111410e1fdd2803a5f802af3e037ddcb981399bc8573a2d7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-23T21:00:42Z",
    "title_canon_sha256": "f6432a16f72eea0251f3549bfae463ce8e79c935119f67283cc8165df7873995"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05955",
    "kind": "arxiv",
    "version": 1
  }
}