Pith Number

pith:CPS222V7

pith:2018:CPS222V7AX6L6MEIJRWK4B6D2F

not attested not anchored not stored refs pending

Observing substructure in circumstellar discs around massive young stellar objects

Catherine Walsh, Claudia J. Cyganowski, Crystal L. Brogan, Duncan H. Forgan, John D. Ilee, Marija R. Jankovic, Subhanjoy Mohanty, Thomas J. Haworth, Todd R. Hunter

arxiv:1810.11398 v2 · 2018-10-26 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPS222V7AX6L6MEIJRWK4B6D2F}

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	2026-05-17T23:59:48.848386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e5ad6abf05fcbf30884c6cae07c3d1668812054ec77dd0b7b24433016047ac

Aliases

arxiv: 1810.11398 · arxiv_version: 1810.11398v2 · doi: 10.48550/arxiv.1810.11398 · pith_short_12: CPS222V7AX6L · pith_short_16: CPS222V7AX6L6MEI · pith_short_8: CPS222V7

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/CPS222V7AX6L6MEIJRWK4B6D2F \
  | 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: 13e5ad6abf05fcbf30884c6cae07c3d1668812054ec77dd0b7b24433016047ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1d998d76d6a4eea51bd9a5749ce50cb091beee39c11b100c94c1895e8ad2b9e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-10-26T15:47:43Z",
    "title_canon_sha256": "23c063c6dba54cd84242e04ecb0160a34dd9cb59ef9336bda358b99ca5161059"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11398",
    "kind": "arxiv",
    "version": 2
  }
}