Pith Number

pith:7GZDJMLN

pith:2022:7GZDJMLNK32LD4NIIKVDPFN2MZ

not attested not anchored not stored refs pending

Probing Inner-Edge of Dead Zones in Protoplanetary Disks with ALMA and Next Generation Very Large Array

Luca Ricci, Mario Flock, Takahiro Ueda, Zachary Castro

arxiv:2202.09047 v1 · 2022-02-18 · 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{7GZDJMLNK32LD4NIIKVDPFN2MZ}

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	2026-07-05T04:11:56.680425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9b234b16d56f4b1f1a842aa3795ba666ecd4005119d5afc338ea1c13fcd8296

Aliases

arxiv: 2202.09047 · arxiv_version: 2202.09047v1 · doi: 10.48550/arxiv.2202.09047 · pith_short_12: 7GZDJMLNK32L · pith_short_16: 7GZDJMLNK32LD4NI · pith_short_8: 7GZDJMLN

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/7GZDJMLNK32LD4NIIKVDPFN2MZ \
  | 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: f9b234b16d56f4b1f1a842aa3795ba666ecd4005119d5afc338ea1c13fcd8296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "916104309ce8ea3f87789bfd4d663656b1ce07714246f0424af6fa88af6d8c45",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-02-18T07:07:19Z",
    "title_canon_sha256": "17d7ffeeb54d726dde95fa9c207fa212bb8e9a6bbb664fc97be131da879631da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.09047",
    "kind": "arxiv",
    "version": 1
  }
}