Pith Number

pith:V4YO2FW7

pith:2021:V4YO2FW7FXPGZEVS7I6DBPH3SO

not attested not anchored not stored refs pending

Molecules with ALMA at Planet-forming Scales (MAPS). X. Studying deuteration at high angular resolution toward protoplanetary disks

Alice S. Booth, Arthur D. Bosman, Catherine Walsh, Charles J. Law, Chunhua Qi, David J. Wilner, Edwin A. Bergin, Feng Long, Fran\c{c}ois M\'enard, Gianni Cataldi, Hideko Nomura, Ian Czekala, Jane Huang, Jennifer B. Bergner, John D. Ilee, Kamber R. Schwarz, Karin I. \"Oberg, Kenji Furuya, Ke Zhang, L. Ilsedore Cleeves, Richard Teague, Romane Le Gal, Ryan A. Loomis, Sean M. Andrews, Takashi Tsukagoshi, Viviana V. Guzm\'an, Yao Liu, Yoshihide Yamato, Yuri Aikawa

arxiv:2109.06462 v3 · 2021-09-14 · astro-ph.SR · astro-ph.EP · 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{V4YO2FW7FXPGZEVS7I6DBPH3SO}

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	2026-07-05T03:35:32.753932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af30ed16df2dde6c92b2fa3c30bcfb938475f4a331cfbd41198ed3107febbbc1

Aliases

arxiv: 2109.06462 · arxiv_version: 2109.06462v3 · doi: 10.48550/arxiv.2109.06462 · pith_short_12: V4YO2FW7FXPG · pith_short_16: V4YO2FW7FXPGZEVS · pith_short_8: V4YO2FW7

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/V4YO2FW7FXPGZEVS7I6DBPH3SO \
  | 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: af30ed16df2dde6c92b2fa3c30bcfb938475f4a331cfbd41198ed3107febbbc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1ba2de5a7f955794a8933302c11804cee250983d143fc2457583f2eb43ebf55",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-09-14T06:11:35Z",
    "title_canon_sha256": "392c03078207fc3b1f47834dc2b5b5228cce5fe43af0d31b848bde95b49fd13f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06462",
    "kind": "arxiv",
    "version": 3
  }
}