Pith Number

pith:NBF3UOZJ

pith:2021:NBF3UOZJMQP5BIIGDHJP5IW5ZK

not attested not anchored not stored refs pending

Molecules with ALMA at Planet-forming Scales (MAPS) XIII: HCO$^+$ and disk ionization structure

Alice S. Booth, Arthur D. Bosman, Catherine Walsh, Charles J. Law, Chunhua Qi, David J. Wilner, Edwin A. Bergin, Francois M\'enard, Gianni Cataldi, Hideko Nomura, Ian Czekala, Jaehan Bae, 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, Yoshihide Yamato, Yuri Aikawa

arxiv:2109.06419 v2 · 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{NBF3UOZJMQP5BIIGDHJP5IW5ZK}

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	2026-07-05T03:32:20.324166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

684bba3b29641fd0a10619d2fea2ddcaab3b023a9cbc58654c87c79eb351324b

Aliases

arxiv: 2109.06419 · arxiv_version: 2109.06419v2 · doi: 10.48550/arxiv.2109.06419 · pith_short_12: NBF3UOZJMQP5 · pith_short_16: NBF3UOZJMQP5BIIG · pith_short_8: NBF3UOZJ

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/NBF3UOZJMQP5BIIGDHJP5IW5ZK \
  | 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: 684bba3b29641fd0a10619d2fea2ddcaab3b023a9cbc58654c87c79eb351324b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "354e76d3752bebf0bd054e30164f6fef767af78269267ff04934aad06ad12fe9",
    "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": "2021-09-14T04:04:33Z",
    "title_canon_sha256": "ab77c55c94b4d1cb71137b888bcdfd92733d73ad91f1159c0dbc110f12b6fd66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06419",
    "kind": "arxiv",
    "version": 2
  }
}