Pith Number

pith:SWTQ2BI3

pith:2015:SWTQ2BI3RINYJGYCRCDLLUAUKX

not attested not anchored not stored refs pending

Extending the $H\alpha$ survey for the local volume galaxies

E. I. Kaisina, I. D. Karachentsev, S. S. Kaisin

arxiv:1512.03151 v2 · 2015-12-10 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWTQ2BI3RINYJGYCRCDLLUAUKX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:24:14.003410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95a70d051b8a1b849b028886b5d01455e62baf4f0a745087d485b9bde4b2cc43

Aliases

arxiv: 1512.03151 · arxiv_version: 1512.03151v2 · doi: 10.48550/arxiv.1512.03151 · pith_short_12: SWTQ2BI3RINY · pith_short_16: SWTQ2BI3RINYJGYC · pith_short_8: SWTQ2BI3

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/SWTQ2BI3RINYJGYCRCDLLUAUKX \
  | 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: 95a70d051b8a1b849b028886b5d01455e62baf4f0a745087d485b9bde4b2cc43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b01610742ba30a7672b45e63cd948b12835a17c948b68a1ec54d2af0a222dc04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-10T06:30:30Z",
    "title_canon_sha256": "424015d7887704e9ca4aa3a015a08b24939306120aa0fabd4f4c1536bcfcfb24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03151",
    "kind": "arxiv",
    "version": 2
  }
}