Pith Number

pith:VBRDJL6W

pith:2018:VBRDJL6WNB7UY5OC2ZWR5B53CV

not attested not anchored not stored refs pending

Streaming Instability of Multiple Particle Species in Protoplanetary Disks

Anders Johansen, Chao-Chin Yang, Noemi Schaffer

arxiv:1808.01142 v1 · 2018-08-03 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBRDJL6WNB7UY5OC2ZWR5B53CV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:03:04.194086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a86234afd6687f4c75c2d66d1e87bb155cf2c380aae72a946415d3430c46e31e

Aliases

arxiv: 1808.01142 · arxiv_version: 1808.01142v1 · doi: 10.48550/arxiv.1808.01142 · pith_short_12: VBRDJL6WNB7U · pith_short_16: VBRDJL6WNB7UY5OC · pith_short_8: VBRDJL6W

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/VBRDJL6WNB7UY5OC2ZWR5B53CV \
  | 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: a86234afd6687f4c75c2d66d1e87bb155cf2c380aae72a946415d3430c46e31e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2b64d0d56233aceefe1d2283e3f565c6acc1f9e51f61e48413eee72fea404eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-08-03T10:08:25Z",
    "title_canon_sha256": "2067f51dcb1973a30b358522fb2a7d5ef814f6a77f201a95afbb5c96dd60c4df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01142",
    "kind": "arxiv",
    "version": 1
  }
}