Pith Number

pith:VVP2PUPP

pith:2016:VVP2PUPP3C2J5KMIVFU7CXBOEB

not attested not anchored not stored refs pending

B field in OB stars (BOB): The outstandingly strong magnetic field in the evolved He-strong star CPD-62 2124

F. R. N. Schneider, I. Ilyin, K. Butler, L. Fossati, M.-F. Nieva, M. Sch\"oller, N. Castro, N. Langer, N. Przybilla, S. Hubrig, S. P. J\"arvinen, S. Sim\'on-D\'iaz, T. A. Carroll, the BOB collaboration, T. Morel

arxiv:1612.01537 v1 · 2016-12-05 · 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{VVP2PUPP3C2J5KMIVFU7CXBOEB}

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	2026-05-18T00:53:25.002717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad5fa7d1efd8b49ea988a969f15c2e2043d1866c466139e85477718147f6bfc9

Aliases

arxiv: 1612.01537 · arxiv_version: 1612.01537v1 · doi: 10.48550/arxiv.1612.01537 · pith_short_12: VVP2PUPP3C2J · pith_short_16: VVP2PUPP3C2J5KMI · pith_short_8: VVP2PUPP

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/VVP2PUPP3C2J5KMIVFU7CXBOEB \
  | 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: ad5fa7d1efd8b49ea988a969f15c2e2043d1866c466139e85477718147f6bfc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1ac1b267aabb6d832d42a3ea646a673c8f0e0ab29d4c06d9781162ef79e194f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-12-05T21:00:06Z",
    "title_canon_sha256": "fd2e48e4f69cff6668d90ae92aea9e80dcc1ba1a3eaa0707d19be5ef506d67b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01537",
    "kind": "arxiv",
    "version": 1
  }
}