Pith Number

pith:CPOAWDZW

pith:2019:CPOAWDZW3I4ZYF76AXFVEPZCS7

not attested not anchored not stored refs pending

Constraining stellar parameters and atmospheric dynamics of the carbon AGB star V Oph

Gioia Rau, Keiichi Ohnaka, Kenneth G. Carpenter, Markus Wittkowski, Vladimir Airapetian

arxiv:1907.08693 v1 · 2019-07-19 · 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{CPOAWDZW3I4ZYF76AXFVEPZCS7}

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	2026-07-05T00:03:50.068173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13dc0b0f36da399c17fe05cb523f2297e2df25843aa10b2f7536eeff7eda12ca

Aliases

arxiv: 1907.08693 · arxiv_version: 1907.08693v1 · doi: 10.48550/arxiv.1907.08693 · pith_short_12: CPOAWDZW3I4Z · pith_short_16: CPOAWDZW3I4ZYF76 · pith_short_8: CPOAWDZW

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/CPOAWDZW3I4ZYF76AXFVEPZCS7 \
  | 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: 13dc0b0f36da399c17fe05cb523f2297e2df25843aa10b2f7536eeff7eda12ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e907405a5a6250ee2d8b32bfc8a896d284e26fab4b07a394d8560a806c27114",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-07-19T21:03:06Z",
    "title_canon_sha256": "7d51802c3447f4eb2f998b1b3b41632c161f662b1c50a33b9b58eff30392929a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08693",
    "kind": "arxiv",
    "version": 1
  }
}