Pith Number

pith:QEYVJUEY

pith:2019:QEYVJUEYNY2EZESSBA5SSFRREF

not attested not anchored not stored refs pending

Kinematics around the B335 protostar down to au scales

(2) Department of Astronomy, (3) Leiden Observatory, 4), (4) Niels Bohr Institute, (5) ASTRON, Centre for Star, Chalmers University of Technology, Daniel Harsono (3), Denmark, Earth, Environment, Hannah Calcutt (1), Jes K. J{\o}rgensen (4), Jon P. Ramsey (2, Lars E. Kristensen (4), Leiden University, Magnus V. Persson (1) ((1) Department of Space, Matthijs H. D. van der Wiel (5), Onsala Space Observatory, Per Bjerkeli (1), Planet Formation, S\'ebastien Muller (1), Sweden, the Netherlands), The Netherlands, the Netherlands Institute for Radio Astronomy, University of Copenhagen, University of Virginia, U.S.A.

arxiv:1909.05178 v1 · 2019-09-11 · 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{QEYVJUEYNY2EZESSBA5SSFRREF}

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	2026-07-05T00:14:15.662715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

813154d0986e344c9252083b29163121625231e0d5bd3f0fa271c14d5e078bc5

Aliases

arxiv: 1909.05178 · arxiv_version: 1909.05178v1 · doi: 10.48550/arxiv.1909.05178 · pith_short_12: QEYVJUEYNY2E · pith_short_16: QEYVJUEYNY2EZESS · pith_short_8: QEYVJUEY

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/QEYVJUEYNY2EZESSBA5SSFRREF \
  | 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: 813154d0986e344c9252083b29163121625231e0d5bd3f0fa271c14d5e078bc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ffd6bd9551eddfc7e52be9b74a923ab8ad66d376765762e4a291d773ee1f5f0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-09-11T16:26:11Z",
    "title_canon_sha256": "ea6d580eaa7740e1101eded937dd83757410e8d95b0a500d0d529dc110f81c68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05178",
    "kind": "arxiv",
    "version": 1
  }
}