Pith Number

pith:OXFT7PVX

pith:2019:OXFT7PVXHT5OWO2ARKCQPIU7VM

not attested not anchored not stored refs pending

Topological structures of velocity and electric field in the vicinity of a cusp-type magnetic null point

Dieter H. Nickeler, Marian Karlicky, Michaela Kraus

arxiv:1901.09913 v1 · 2019-01-28 · physics.plasm-ph · astro-ph.SR · physics.flu-dyn · physics.space-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OXFT7PVXHT5OWO2ARKCQPIU7VM}

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	2026-05-17T23:52:03.025329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75cb3fbeb73cfaeb3b408a8507a29fab04f49df70507dff1bab32a4f56cf6348

Aliases

arxiv: 1901.09913 · arxiv_version: 1901.09913v1 · doi: 10.48550/arxiv.1901.09913 · pith_short_12: OXFT7PVXHT5O · pith_short_16: OXFT7PVXHT5OWO2A · pith_short_8: OXFT7PVX

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/OXFT7PVXHT5OWO2ARKCQPIU7VM \
  | 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: 75cb3fbeb73cfaeb3b408a8507a29fab04f49df70507dff1bab32a4f56cf6348

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "908921bb6bd809d57fc3eef888271cedc46926d1a832ed72b2a8dd7df8fceebb",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.flu-dyn",
      "physics.space-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2019-01-28T10:45:04Z",
    "title_canon_sha256": "347ca59b8dd5899c21c9216fa8cda0778b0e9800012e73abe5ae8c8d344c995e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09913",
    "kind": "arxiv",
    "version": 1
  }
}