Pith Number

pith:WPREHMDF

pith:2018:WPREHMDFCKW2EV75N3WQCG6BNX

not attested not anchored not stored refs pending

Structure Formation in a Young Protoplanetary Disk by a Magnetic Disk Wind

Sanemichi Z. Takahashi, Takayuki Muto

arxiv:1808.10220 v1 · 2018-08-30 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WPREHMDFCKW2EV75N3WQCG6BNX}

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	2026-05-18T00:03:45.349345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3e243b06512ada257fd6eed011bc16df7e4bcea5c149ccd0b1fe6744b4875b8

Aliases

arxiv: 1808.10220 · arxiv_version: 1808.10220v1 · doi: 10.48550/arxiv.1808.10220 · pith_short_12: WPREHMDFCKW2 · pith_short_16: WPREHMDFCKW2EV75 · pith_short_8: WPREHMDF

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/WPREHMDFCKW2EV75N3WQCG6BNX \
  | 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: b3e243b06512ada257fd6eed011bc16df7e4bcea5c149ccd0b1fe6744b4875b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fc5f5682457e19feb26e91b0a7ca3a65407a1c5469eea1076bdec8ef2c225d0",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-30T10:56:12Z",
    "title_canon_sha256": "00af408819a7ecb3cabc76b22400923179c44430c6d6ca05f5764fd451bfd389"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10220",
    "kind": "arxiv",
    "version": 1
  }
}