Pith Number

pith:VG52S5DL

pith:2016:VG52S5DLUQ2FGEXJFOQZFA3AQ7

not attested not anchored not stored refs pending

Clumpy dust clouds and extended atmosphere of the AGB star W Hya revealed with VLT/SPHERE-ZIMPOL and VLTI/AMBER II. Time variations between pre-maximum and minimum light

Gerd Weigelt, Karl-Heinz Hofmann, Keiichi Ohnaka

arxiv:1611.04622 v1 · 2016-11-14 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VG52S5DLUQ2FGEXJFOQZFA3AQ7}

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	2026-05-18T00:54:16.226656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9bba9746ba4345312e92ba192836087e8ce796a7adad8785c1e57cd6a5caa9b

Aliases

arxiv: 1611.04622 · arxiv_version: 1611.04622v1 · doi: 10.48550/arxiv.1611.04622 · pith_short_12: VG52S5DLUQ2F · pith_short_16: VG52S5DLUQ2FGEXJ · pith_short_8: VG52S5DL

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/VG52S5DLUQ2FGEXJFOQZFA3AQ7 \
  | 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: a9bba9746ba4345312e92ba192836087e8ce796a7adad8785c1e57cd6a5caa9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b9933544e2b073b58dd0418223c172c1183dbf684e5fc6e5e35c39d33accaa8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-11-14T21:09:13Z",
    "title_canon_sha256": "f8393f388192542748104ed4f04f59818fdac0bfcbe39ea71da754e186b2294f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.04622",
    "kind": "arxiv",
    "version": 1
  }
}