Pith Number

pith:NBN2KLCW

pith:2017:NBN2KLCWTU2DIF6VZZIRV6IIEC

not attested not anchored not stored refs pending

Tomography of cool giant and supergiant star atmospheres. I. Validation of the method

A. Chiavassa, A. Jorissen, B. Freytag, B. Plez, K. Kravchenko, S. Van Eck

arxiv:1711.08327 v2 · 2017-11-22 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBN2KLCWTU2DIF6VZZIRV6IIEC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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.

Cited by

1 paper in Pith

Tracing the s-Process: Spectroscopic Insights into Chemical Abundances in O- and C-rich Evolved Stars

Receipt and verification

First computed	2026-05-18T00:22:57.635833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

685ba52c569d343417d5ce511af908208f3e0d01562b23a8c7ea87b26361ab6a

Aliases

arxiv: 1711.08327 · arxiv_version: 1711.08327v2 · doi: 10.48550/arxiv.1711.08327 · pith_short_12: NBN2KLCWTU2D · pith_short_16: NBN2KLCWTU2DIF6V · pith_short_8: NBN2KLCW

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/NBN2KLCWTU2DIF6VZZIRV6IIEC \
  | 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: 685ba52c569d343417d5ce511af908208f3e0d01562b23a8c7ea87b26361ab6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da830cb5acac30bb4063b787564783a1d83fa0091dd7ba86291f31c96faa080e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2017-11-22T15:18:18Z",
    "title_canon_sha256": "351f24f77bb9ef60ba7ce4b060df6415b54c2a79c37571ae998fd85ffda2267b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08327",
    "kind": "arxiv",
    "version": 2
  }
}