Pith Number

pith:2OLIWWJO

pith:2017:2OLIWWJOCL3SIMF6JOHYH7CHFZ

not attested not anchored not stored refs pending

The PdBI Arcsecond Whirlpool Survey (PAWS). The Role of Spiral Arms in Cloud and Star Formation

A. Hughes, A.K. Leroy, C. Kramer, C.L. Dobbs, D. Colombo, E. Schinnerer, J. Pety, K.F. Schuster, M. Querejeta, R. Chandar, S.E. Meidt, S. Garcia-Burillo

arxiv:1701.02184 v1 · 2017-01-09 · 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{2OLIWWJOCL3SIMF6JOHYH7CHFZ}

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	2026-05-18T00:50:45.950286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3968b592e12f72430be4b8f83fc472e4370638a4dfc0016d415452587cc03cb

Aliases

arxiv: 1701.02184 · arxiv_version: 1701.02184v1 · doi: 10.48550/arxiv.1701.02184 · pith_short_12: 2OLIWWJOCL3S · pith_short_16: 2OLIWWJOCL3SIMF6 · pith_short_8: 2OLIWWJO

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/2OLIWWJOCL3SIMF6JOHYH7CHFZ \
  | 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: d3968b592e12f72430be4b8f83fc472e4370638a4dfc0016d415452587cc03cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94c78c75959735496f111bd934eeb055bd31b547ca57b4feb89cd64acef6508e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-09T14:12:35Z",
    "title_canon_sha256": "062a8254a0b034404e5bb7de9fb30d63ee94a8789e54ed16529b9491abd617eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02184",
    "kind": "arxiv",
    "version": 1
  }
}