Pith Number

pith:MDUCBY7R

pith:2012:MDUCBY7RPRDAZWD27CLIYW2VUC

not attested not anchored not stored refs pending

Turbulence In the Outer Regions of Protoplanetary Disks. I. Weak Accretion with No Vertical Magnetic Flux

Jacob B. Simon, James M. Stone, Kris Beckwith, Philip J. Armitage, Xue-Ning Bai

arxiv:1210.4164 v2 · 2012-10-15 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDUCBY7RPRDAZWD27CLIYW2VUC}

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	2026-05-18T01:53:54.893227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60e820e3f17c460cd87af8968c5b55a0a0afc0a7eab3eb63ba07fa23744b6970

Aliases

arxiv: 1210.4164 · arxiv_version: 1210.4164v2 · doi: 10.48550/arxiv.1210.4164 · pith_short_12: MDUCBY7RPRDA · pith_short_16: MDUCBY7RPRDAZWD2 · pith_short_8: MDUCBY7R

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/MDUCBY7RPRDAZWD27CLIYW2VUC \
  | 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: 60e820e3f17c460cd87af8968c5b55a0a0afc0a7eab3eb63ba07fa23744b6970

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a5f469b7b0ea1601c218834f07046e5ab5590238ae111f7c0e7db9bfe0b5af1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-15T20:00:01Z",
    "title_canon_sha256": "9c508153272522e48b33715be7724e799c4f852b89c17a52ccb724045ce14a2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4164",
    "kind": "arxiv",
    "version": 2
  }
}