Pith Number

pith:BTIKDLER

pith:2018:BTIKDLERYPPH5QWO6DFH2BBJER

not attested not anchored not stored refs pending

Spectral analysis of the He-enriched sdO-star HD 127493

Marilyn Latour, Matti Dorsch, Ulrich Heber

arxiv:1801.06350 v1 · 2018-01-19 · 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{BTIKDLERYPPH5QWO6DFH2BBJER}

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	2026-05-18T00:25:30.436061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cd0a1ac91c3de7ec2cef0ca7d0429246dcd7fe6bead0c4648802f68467322d3

Aliases

arxiv: 1801.06350 · arxiv_version: 1801.06350v1 · doi: 10.48550/arxiv.1801.06350 · pith_short_12: BTIKDLERYPPH · pith_short_16: BTIKDLERYPPH5QWO · pith_short_8: BTIKDLER

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/BTIKDLERYPPH5QWO6DFH2BBJER \
  | 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: 0cd0a1ac91c3de7ec2cef0ca7d0429246dcd7fe6bead0c4648802f68467322d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4ec289d0cfe80927e0457ffc8ce70c31a2595a27092e2d2d6e888d204bb0a4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-01-19T10:04:48Z",
    "title_canon_sha256": "d536e0618fff8df1d1f01ff6451045519bf9f11e695f3c772869d6c822b40dee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06350",
    "kind": "arxiv",
    "version": 1
  }
}