Pith Number

pith:XBTMKCB2

pith:2018:XBTMKCB2A3R6GJNK63DHDKZDHZ

not attested not anchored not stored refs pending

HD 149277: a rare short-period SB2 system with a subsynchronously rotating magnetic He-rich primary

J. F. Gonz\'alez, M. Sch\"oller, S. Hubrig, S. P. J\"arvinen

arxiv:1808.04335 v1 · 2018-08-13 · 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{XBTMKCB2A3R6GJNK63DHDKZDHZ}

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	2026-05-18T00:07:33.618815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b866c5083a06e3e325aaf6c671ab233e736969f6bff1744c2569064b4dc58b63

Aliases

arxiv: 1808.04335 · arxiv_version: 1808.04335v1 · doi: 10.48550/arxiv.1808.04335 · pith_short_12: XBTMKCB2A3R6 · pith_short_16: XBTMKCB2A3R6GJNK · pith_short_8: XBTMKCB2

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/XBTMKCB2A3R6GJNK63DHDKZDHZ \
  | 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: b866c5083a06e3e325aaf6c671ab233e736969f6bff1744c2569064b4dc58b63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de20cfad9ad69193c939a765b43e71653eed25a665e042e49c4fb5c8014c95ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-08-13T17:22:32Z",
    "title_canon_sha256": "aad5a66dbcf05d1f8ae2f34bdb83b54b29810d907cc8bd648d75db2b2b2a5e78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04335",
    "kind": "arxiv",
    "version": 1
  }
}