Pith Number

pith:QFDQPRGZ

pith:2022:QFDQPRGZPJ3HB4FWG2O7VORDCO

not attested not anchored not stored refs pending

The VLA/ALMA Nascent Disk and Multiplicity (VANDAM) Survey of Orion Protostars VI. Insights from Radiative Transfer Modeling

John J. Tobin, Leslie L. Looney, Patrick D. Sheehan, S. Thomas Megeath

arxiv:2203.00029 v1 · 2022-02-28 · 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{QFDQPRGZPJ3HB4FWG2O7VORDCO}

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	2026-07-05T04:16:01.650379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

814707c4d97a7670f0b6369dfaba231385052c638273bb5cea775bc9cbbdb504

Aliases

arxiv: 2203.00029 · arxiv_version: 2203.00029v1 · doi: 10.48550/arxiv.2203.00029 · pith_short_12: QFDQPRGZPJ3H · pith_short_16: QFDQPRGZPJ3HB4FW · pith_short_8: QFDQPRGZ

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/QFDQPRGZPJ3HB4FWG2O7VORDCO \
  | 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: 814707c4d97a7670f0b6369dfaba231385052c638273bb5cea775bc9cbbdb504

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74a123c2f1d0e3163766b616724a2bea643eece73baea8d2e4c2d5ed69889111",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-02-28T19:00:22Z",
    "title_canon_sha256": "168646acf913503c7c74a3208bdda64cf58b1d91a21b42364e9c6006c8337cfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.00029",
    "kind": "arxiv",
    "version": 1
  }
}