Pith Number

pith:K36P4SJY

pith:2015:K36P4SJYTODOIFYEDP7AJTIM6B

not attested not anchored not stored refs pending

The empty ring galaxy ESO 474 - G040

Alexei Kniazev, Alexei Moiseev, Noah Brosch, Petri Vaisanen

arxiv:1506.00409 v1 · 2015-06-01 · 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{K36P4SJYTODOIFYEDP7AJTIM6B}

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	2026-05-18T01:59:54.622740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56fcfe49389b86e417041bfe04cd0cf06fcfe448a6b96b216b5a3f9c3c105005

Aliases

arxiv: 1506.00409 · arxiv_version: 1506.00409v1 · doi: 10.48550/arxiv.1506.00409 · pith_short_12: K36P4SJYTODO · pith_short_16: K36P4SJYTODOIFYE · pith_short_8: K36P4SJY

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/K36P4SJYTODOIFYEDP7AJTIM6B \
  | 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: 56fcfe49389b86e417041bfe04cd0cf06fcfe448a6b96b216b5a3f9c3c105005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a85e58257ab0801304e76d655b5ed1965b570177695da946a2a797dae80f128c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-01T09:44:03Z",
    "title_canon_sha256": "3c81a31efffdae95fa16340f0aa485624839b866669ca34004e69efb83aeb031"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00409",
    "kind": "arxiv",
    "version": 1
  }
}