Pith Number

pith:J4NPSPBD

pith:2018:J4NPSPBDX6DLQVALEGG3M4XAOU

not attested not anchored not stored refs pending

Turbulence in the TW Hya Disk

A. Meredith Hughes, David J. Wilner, Jacob B. Simon, Kevin M. Flaherty, Richard Teague, Sean M. Andrews

arxiv:1803.03842 v1 · 2018-03-10 · 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{J4NPSPBDX6DLQVALEGG3M4XAOU}

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	2026-05-18T00:18:51.528135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f1af93c23bf86b8540b218db672e07516459fa68840b8278b4c8e7984171f5d

Aliases

arxiv: 1803.03842 · arxiv_version: 1803.03842v1 · doi: 10.48550/arxiv.1803.03842 · pith_short_12: J4NPSPBDX6DL · pith_short_16: J4NPSPBDX6DLQVAL · pith_short_8: J4NPSPBD

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/J4NPSPBDX6DLQVALEGG3M4XAOU \
  | 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: 4f1af93c23bf86b8540b218db672e07516459fa68840b8278b4c8e7984171f5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e422b446db5a32149d9fd543df48461211649793f8ae0ebc02e251057441f72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-03-10T17:35:09Z",
    "title_canon_sha256": "66e433b7961e2c832286059ace0933a8a3164bd09a3cd0eff2c5f4e85604e8fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03842",
    "kind": "arxiv",
    "version": 1
  }
}