Pith Number

pith:7UOX4GDQ

pith:2011:7UOX4GDQ42DG7VIYJM3NC7IJFT

not attested not anchored not stored refs pending

Giant Molecular Clouds in the Spiral Arm of IC 342

Akihiko Hirota, Hiroyuki Nakanishi, Kazuo Sorai, Naoko Sato, Nario Kuno, Tomoka Tosaki

arxiv:1106.5744 v2 · 2011-06-28 · 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{7UOX4GDQ42DG7VIYJM3NC7IJFT}

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	2026-05-18T02:01:29.743645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd1d7e1870e6866fd5184b36d17d092cf1b4d01206c59868494667d4c7ab1eeb

Aliases

arxiv: 1106.5744 · arxiv_version: 1106.5744v2 · doi: 10.48550/arxiv.1106.5744 · pith_short_12: 7UOX4GDQ42DG · pith_short_16: 7UOX4GDQ42DG7VIY · pith_short_8: 7UOX4GDQ

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/7UOX4GDQ42DG7VIYJM3NC7IJFT \
  | 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: fd1d7e1870e6866fd5184b36d17d092cf1b4d01206c59868494667d4c7ab1eeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d2955d2ebb101ce715684ab17184f97c4b4e2cc4f0312a9f85dc226a2f7762b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-28T17:55:27Z",
    "title_canon_sha256": "31f2436024807432a623494c72e7325d0a67dc2dfb1248f1010030905cec1590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5744",
    "kind": "arxiv",
    "version": 2
  }
}