Pith Number

pith:ZDJCZFWT

pith:2017:ZDJCZFWT2FYNIZZYFM2MLZT3II

not attested not anchored not stored refs pending

Improved method to determine the integrated properties of nuclear rings: NGC 1512

Chao Ma, Luis C. Ho, Richard de Grijs

arxiv:1705.01251 v1 · 2017-05-03 · 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{ZDJCZFWT2FYNIZZYFM2MLZT3II}

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	2026-05-18T00:42:04.551013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8d22c96d3d170d467382b34c5e67b42349ca45a32c50a9ca3fd6ccabb57b56e

Aliases

arxiv: 1705.01251 · arxiv_version: 1705.01251v1 · doi: 10.48550/arxiv.1705.01251 · pith_short_12: ZDJCZFWT2FYN · pith_short_16: ZDJCZFWT2FYNIZZY · pith_short_8: ZDJCZFWT

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/ZDJCZFWT2FYNIZZYFM2MLZT3II \
  | 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: c8d22c96d3d170d467382b34c5e67b42349ca45a32c50a9ca3fd6ccabb57b56e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8bdd43f8c45eaf682bb3281c1bd5ccc1b76074cd016dc277e57376fa5edd8cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-05-03T04:27:00Z",
    "title_canon_sha256": "d57cc6727a2a0a62a82e6c4d702c56a084fa19dbb212ef91674d674e1317a26a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01251",
    "kind": "arxiv",
    "version": 1
  }
}