Pith Number

pith:KOBFN4ZS

pith:2016:KOBFN4ZS75HBCP6AHTAN5E3DLR

not attested not anchored not stored refs pending

Photometric asymmetry between clockwise and counterclockwise spiral galaxies in SDSS

Lior Shamir

arxiv:1611.06465 v2 · 2016-11-20 · 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{KOBFN4ZS75HBCP6AHTAN5E3DLR}

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	2026-05-18T00:49:11.677556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

538256f332ff4e113fc03cc0de93635c63bca4a6889ea25abf9e3afd9b6964ab

Aliases

arxiv: 1611.06465 · arxiv_version: 1611.06465v2 · doi: 10.48550/arxiv.1611.06465 · pith_short_12: KOBFN4ZS75HB · pith_short_16: KOBFN4ZS75HBCP6A · pith_short_8: KOBFN4ZS

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/KOBFN4ZS75HBCP6AHTAN5E3DLR \
  | 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: 538256f332ff4e113fc03cc0de93635c63bca4a6889ea25abf9e3afd9b6964ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a87ca94b9bb03fb17e216f571664a11a903824db3b08a31935c313f950c7f418",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-11-20T03:16:31Z",
    "title_canon_sha256": "0749e6333f74b9dcb1e162b9648b769ae9bf30720b482ea3b03fd0855e6f1dbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06465",
    "kind": "arxiv",
    "version": 2
  }
}