Pith Number

pith:W7JQPYBT

pith:2026:W7JQPYBT62FZ2YMGARNODE7ZW5

not attested not anchored not stored refs pending

Probing the ion-neutral drift velocity towards the L1544 prestellar core: Detection of ambipolar diffusion using N$_2$D$^+$ and para-NH$_2$D

Alexei Ivlev, Doris Arzoumanian, Elena Redaelli, Felipe Alves, Haruka Fukihara, Jaime Pineda, Paola Caselli, Sigurd Jensen, Silvia Spezzano, Tommaso Grassi, Yoshiaki Misugi, Yusuke Tsukamoto

arxiv:2605.22541 v1 · 2026-05-21 · 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{W7JQPYBT62FZ2YMGARNODE7ZW5}

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	2026-05-22T01:04:56.483728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7d307e033f68b9d6186045ae193f9b759592949a5d698c4836f6804ba59d6e9

Aliases

arxiv: 2605.22541 · arxiv_version: 2605.22541v1 · doi: 10.48550/arxiv.2605.22541 · pith_short_12: W7JQPYBT62FZ · pith_short_16: W7JQPYBT62FZ2YMG · pith_short_8: W7JQPYBT

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/W7JQPYBT62FZ2YMGARNODE7ZW5 \
  | 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: b7d307e033f68b9d6186045ae193f9b759592949a5d698c4836f6804ba59d6e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16a6e6285122c6e595f7135de8ec245369c0aeca0e776fd03dfbe47b97809e30",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-05-21T14:26:16Z",
    "title_canon_sha256": "17f4fff41c32725efe7171a00ac2e6e80b2b2129b8efcd7647031f397efe7197"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22541",
    "kind": "arxiv",
    "version": 1
  }
}