Pith Number

pith:WA4DZWDF

pith:2016:WA4DZWDF5DEQSHBPFSQPYD7RKN

not attested not anchored not stored refs pending

The Origin of the Rotation Profiles in Star Forming Clouds

Kengo Tomida, Masahiro N. Machida, Sanemichi Z. Takahashi, Shu-ichiro Inutsuka

arxiv:1604.05432 v2 · 2016-04-19 · astro-ph.SR · 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{WA4DZWDF5DEQSHBPFSQPYD7RKN}

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	2026-05-18T01:00:53.149739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0383cd865e8c9091c2f2ca0fc0ff15372924c57c06b726ced7bd1833457e1c4

Aliases

arxiv: 1604.05432 · arxiv_version: 1604.05432v2 · doi: 10.48550/arxiv.1604.05432 · pith_short_12: WA4DZWDF5DEQ · pith_short_16: WA4DZWDF5DEQSHBP · pith_short_8: WA4DZWDF

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/WA4DZWDF5DEQSHBPFSQPYD7RKN \
  | 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: b0383cd865e8c9091c2f2ca0fc0ff15372924c57c06b726ced7bd1833457e1c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06f4d12f652741474632ac2b1c006945928037b579357d618606287a5263a951",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-04-19T05:10:54Z",
    "title_canon_sha256": "500d535df3be0ba0640112b2a4614be3734df5cadbfdcb55b2fa34ae23cb12b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05432",
    "kind": "arxiv",
    "version": 2
  }
}