Pith Number

pith:D6INAPTA

pith:2013:D6INAPTAKBE2RZDKDOSS6QEZJA

not attested not anchored not stored refs pending

Demographics of Sloan Digital Sky Survey galaxies along the Hubble sequence

Hong-Geun Kim, Hyunseop Choi, Jun-Sung Moon, Kyuseok Oh, Sukyoung K. Yi

arxiv:1310.3837 v1 · 2013-10-14 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6INAPTAKBE2RZDKDOSS6QEZJA}

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	2026-05-18T01:47:05.586171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f90d03e605049a8e46a1ba52f4099483d373e430aa74aabaacebb0cef87e102

Aliases

arxiv: 1310.3837 · arxiv_version: 1310.3837v1 · doi: 10.48550/arxiv.1310.3837 · pith_short_12: D6INAPTAKBE2 · pith_short_16: D6INAPTAKBE2RZDK · pith_short_8: D6INAPTA

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/D6INAPTAKBE2RZDKDOSS6QEZJA \
  | 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: 1f90d03e605049a8e46a1ba52f4099483d373e430aa74aabaacebb0cef87e102

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b4114204afcb6f11b4925d4fcc5a4d4df4b4a207ab40089495b909542e84e28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-14T20:02:34Z",
    "title_canon_sha256": "40fe9acda1027f74f0c77868326a0228611c077e8492b5d589faaf27b8091a10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3837",
    "kind": "arxiv",
    "version": 1
  }
}