Pith Number

pith:DJI63IPL

pith:2022:DJI63IPLER7PH5DF7CNTXMGXZK

not attested not anchored not stored refs pending

Investigating the Future Potential of an Upgraded ALMA to Image Planet Forming Disks at Sub-au Scales

Benjamin Burrill, Luca Ricci, Sarah Harter, Shangjia Zhang, Zhaohuan Zhu

arxiv:2202.08348 v1 · 2022-02-16 · astro-ph.EP · astro-ph.IM · 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{DJI63IPLER7PH5DF7CNTXMGXZK}

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	2026-07-05T04:11:56.601371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a51eda1eb247ef3f465f89b3bb0d7ca9f75b1dd72552f5faf4b83330e059c71

Aliases

arxiv: 2202.08348 · arxiv_version: 2202.08348v1 · doi: 10.48550/arxiv.2202.08348 · pith_short_12: DJI63IPLER7P · pith_short_16: DJI63IPLER7PH5DF · pith_short_8: DJI63IPL

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/DJI63IPLER7PH5DF7CNTXMGXZK \
  | 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: 1a51eda1eb247ef3f465f89b3bb0d7ca9f75b1dd72552f5faf4b83330e059c71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8593f9df14897786c2d77c89fcc312200d49b9b587355c72e7b98a714b83887c",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2022-02-16T21:35:08Z",
    "title_canon_sha256": "7e235dc9115ee5e7f96ab70735ed4d3ceebd688a053fd68a08443d86db5e51b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.08348",
    "kind": "arxiv",
    "version": 1
  }
}