Pith Number

pith:F5MW6AI5

pith:2019:F5MW6AI5ICO6DNXGCMDOWOUI3F

not attested not anchored not stored refs pending

Tomography of cool giant and supergiant star atmospheres II. Signature of convection in the atmosphere of the red supergiant star $\mu$ Cep

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

arxiv:1910.04657 v1 · 2019-10-10 · 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{F5MW6AI5ICO6DNXGCMDOWOUI3F}

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	2026-07-05T00:22:20.553525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f596f011d409de1b6e61306eb3a88d9741b71bee4e1fb1c9d955f609819877c

Aliases

arxiv: 1910.04657 · arxiv_version: 1910.04657v1 · doi: 10.48550/arxiv.1910.04657 · pith_short_12: F5MW6AI5ICO6 · pith_short_16: F5MW6AI5ICO6DNXG · pith_short_8: F5MW6AI5

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/F5MW6AI5ICO6DNXGCMDOWOUI3F \
  | 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: 2f596f011d409de1b6e61306eb3a88d9741b71bee4e1fb1c9d955f609819877c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4bb05c99c14b2a48e9474200fcad9cb2afc05bd6bbee0efc905c6594dfba2c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-10-10T15:43:09Z",
    "title_canon_sha256": "aec25e2eff4116506005423f553fa23339f1c1270b657ba6079e4ec02713eee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04657",
    "kind": "arxiv",
    "version": 1
  }
}