Pith Number

pith:CMQ2CY52

pith:2021:CMQ2CY52IFL7YIUM36BS5PBZJ7

not attested not anchored not stored refs pending

Warping Away Gravitational Instabilities in Protoplanetary Discs

Farzana Meru, Rebecca Nealon, Sahl Rowther

arxiv:2110.06227 v2 · 2021-10-12 · 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{CMQ2CY52IFL7YIUM36BS5PBZJ7}

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	2026-07-05T03:55:03.230426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1321a163ba4157fc228cdf832ebc394ffb04ac9befc6aa686247db19e42884a5

Aliases

arxiv: 2110.06227 · arxiv_version: 2110.06227v2 · doi: 10.48550/arxiv.2110.06227 · pith_short_12: CMQ2CY52IFL7 · pith_short_16: CMQ2CY52IFL7YIUM · pith_short_8: CMQ2CY52

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/CMQ2CY52IFL7YIUM36BS5PBZJ7 \
  | 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: 1321a163ba4157fc228cdf832ebc394ffb04ac9befc6aa686247db19e42884a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb11a4ddd6e0c70f3ab13240bb21b10fcf9fd162a48526de3bc00b8d19705e97",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-10-12T18:00:02Z",
    "title_canon_sha256": "c44e4fb9c7685b2c114b178a284327e5ec98d6c5ebed98ed64d1891d12fbcd5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.06227",
    "kind": "arxiv",
    "version": 2
  }
}