Pith Number

pith:OLROFSOF

pith:2007:OLROFSOFMDTANJZOXCKRMNDJJ4

not attested not anchored not stored refs pending

Temporal variations of the outer atmosphere and the dust shell of the carbon-rich Mira variable V Oph probed with VLTI/MIDI

G. Weigelt, Keiichi Ohnaka, M. Wittkowski, T. Driebe

arxiv:astro-ph/0702226 v1 · 2007-02-08 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLROFSOFMDTANJZOXCKRMNDJJ4}

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	2026-07-04T17:07:38.162959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72e2e2c9c560e606a72eb8951634694f061c95fd4c565afae00764fb693ac5a2

Aliases

arxiv: astro-ph/0702226 · arxiv_version: astro-ph/0702226v1 · doi: 10.48550/arxiv.astro-ph/0702226 · pith_short_12: OLROFSOFMDTA · pith_short_16: OLROFSOFMDTANJZO · pith_short_8: OLROFSOF

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/OLROFSOFMDTANJZOXCKRMNDJJ4 \
  | 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: 72e2e2c9c560e606a72eb8951634694f061c95fd4c565afae00764fb693ac5a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24437d8250c73cc8d42e7fb494ea2a0522b68497c73f62292b215d81d164872d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-08T14:48:13Z",
    "title_canon_sha256": "d73bac2b40385d84ba5cfd9d634196f80e2fe15998522f47a4d21d5e823c86fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702226",
    "kind": "arxiv",
    "version": 1
  }
}