Pith Number

pith:USZO2KIZ

pith:2009:USZO2KIZNYI7UBTCXGCFON6WQU

not attested not anchored not stored refs pending

VLTI/AMBER spectro-interferometric imaging of VX Sgr's inhomogenous outer atmosphere

A. Chiavassa, B. Freytag, B. Plez, E. Josselin, E. Thiebeaut, F. Millour, M. Scholz, M. Wittkowski, S. Lacour, T. Driebe, X. Haubois

arxiv:0911.4422 v2 · 2009-11-23 · astro-ph.SR · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USZO2KIZNYI7UBTCXGCFON6WQU}

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	2026-05-18T02:10:37.429378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4b2ed29196e11fa0662b9845737d68531c96e7f66da078acd841d2da4eb24b7

Aliases

arxiv: 0911.4422 · arxiv_version: 0911.4422v2 · doi: 10.48550/arxiv.0911.4422 · pith_short_12: USZO2KIZNYI7 · pith_short_16: USZO2KIZNYI7UBTC · pith_short_8: USZO2KIZ

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/USZO2KIZNYI7UBTCXGCFON6WQU \
  | 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: a4b2ed29196e11fa0662b9845737d68531c96e7f66da078acd841d2da4eb24b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da1b6a95bdc590feb5924e0731df3826926eaaf09b81a8cb5d826513f1d9a1a7",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-23T14:56:06Z",
    "title_canon_sha256": "cd4c9da6d26d8be45082c115180c86dec7fa11c27322c28e01412e64b3da78cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4422",
    "kind": "arxiv",
    "version": 2
  }
}