Pith Number

pith:6TS6ATEX

pith:2012:6TS6ATEXXYJSF5IZIRMNVADXHK

not attested not anchored not stored refs pending

The galactic unclassified B[e] star HD 50138 III. The short-term line profile variability of its photospheric lines

(2) Astronomicky ustav Ondrejov, (3) Royal Observatory of Belgium), Claudio Bastos Pereira (1), Dieter H. Nickeler (2), Marcelo Borges Fernandes (1), Mary E. Oksala (2) ((1) Observatorio Nacional/MCTI, Michaela Kraus (2), Patricia Lampens (3), Peter De Cat (3)

arxiv:1210.2779 v1 · 2012-10-09 · 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{6TS6ATEXXYJSF5IZIRMNVADXHK}

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	2026-05-18T01:54:03.708196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4e5e04c97be1322f5194458da80773aa7559a230624876d3c136f80074edc71

Aliases

arxiv: 1210.2779 · arxiv_version: 1210.2779v1 · doi: 10.48550/arxiv.1210.2779 · pith_short_12: 6TS6ATEXXYJS · pith_short_16: 6TS6ATEXXYJSF5IZ · pith_short_8: 6TS6ATEX

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/6TS6ATEXXYJSF5IZIRMNVADXHK \
  | 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: f4e5e04c97be1322f5194458da80773aa7559a230624876d3c136f80074edc71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0409291e6c9e1d7746c4f1cdce86438ecfd5baf45fd7f528b1b509772f6473d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-10-09T23:32:53Z",
    "title_canon_sha256": "0da4f9fcb1c90d7efa79e29e2e2804d2890eac5e1aff560483f6537f34ed25db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2779",
    "kind": "arxiv",
    "version": 1
  }
}