Pith Number

pith:QTISUXR3

pith:2025:QTISUXR3FAO6DOOLUXXDXFNJWT

not attested not anchored not stored refs pending

Velocity Structure of Circumstellar Environment around Class 0/I Protostars: Uncertainty in the Protostellar Mass Estimation Using Circumstellar Velocities

Masahiro N. Machida, Shingo Hirano, Yuri Aikawa

arxiv:2501.17492 v2 · 2025-01-29 · 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{QTISUXR3FAO6DOOLUXXDXFNJWT}

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	2026-07-05T10:18:48.911897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84d12a5e3b281de1b9cba5ee3b95a9b4f04ba0c0af3b10a055ac62758b915d98

Aliases

arxiv: 2501.17492 · arxiv_version: 2501.17492v2 · doi: 10.48550/arxiv.2501.17492 · pith_short_12: QTISUXR3FAO6 · pith_short_16: QTISUXR3FAO6DOOL · pith_short_8: QTISUXR3

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/QTISUXR3FAO6DOOLUXXDXFNJWT \
  | 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: 84d12a5e3b281de1b9cba5ee3b95a9b4f04ba0c0af3b10a055ac62758b915d98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bb8bc5e421b57f0bce72d688f643f53217413779129174626af55c7eecf09ca",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-01-29T09:00:08Z",
    "title_canon_sha256": "8e5327e718dcac20db8bb13e0ec39ecbacdbb747cc740593657a1b5a478b686e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.17492",
    "kind": "arxiv",
    "version": 2
  }
}