Pith Number

pith:OT7BFDOI

pith:2017:OT7BFDOINHMUBHBJERHBHBK7UN

not attested not anchored not stored refs pending

Planet-driven spiral arms in protoplanetary disks: II. Implications

(2) UNLV), Jaehan Bae (1), Zhaohuan Zhu (2) ((1) Carnegie DTM

arxiv:1711.08166 v2 · 2017-11-22 · 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{OT7BFDOINHMUBHBJERHBHBK7UN}

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	2026-05-18T00:13:31.251197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74fe128dc869d9409c29244e13855fa34adc9c6a73d04793e2b86d58d125cf02

Aliases

arxiv: 1711.08166 · arxiv_version: 1711.08166v2 · doi: 10.48550/arxiv.1711.08166 · pith_short_12: OT7BFDOINHMU · pith_short_16: OT7BFDOINHMUBHBJ · pith_short_8: OT7BFDOI

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/OT7BFDOINHMUBHBJERHBHBK7UN \
  | 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: 74fe128dc869d9409c29244e13855fa34adc9c6a73d04793e2b86d58d125cf02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee659224e365acf6045884429a07541ff0659f3789de6dd7e0af156252c37f06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2017-11-22T07:56:36Z",
    "title_canon_sha256": "88d68f34e2bd7cca89be180fff81081c7ee118dd08762af2ed897f6de0082bbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08166",
    "kind": "arxiv",
    "version": 2
  }
}