pith. sign in
Pith Number

pith:NRAA77KJ

pith:2016:NRAA77KJ56QMPV33KYI477VOKY
not attested not anchored not stored refs pending

Magnetic geodesics on surfaces with singularities

Volker Branding, Wayne Rossman

arxiv:1604.02009 v1 · 2016-04-07 · math.DG · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NRAA77KJ56QMPV33KYI477VOKY}

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 2026-05-18T00:48:37.365957Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6c400ffd49efa0c7d77b5611cffeae5611a390bd20c13a67c55d04a183fc8693

Aliases

arxiv: 1604.02009 · arxiv_version: 1604.02009v1 · doi: 10.48550/arxiv.1604.02009 · pith_short_12: NRAA77KJ56QM · pith_short_16: NRAA77KJ56QMPV33 · pith_short_8: NRAA77KJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NRAA77KJ56QMPV33KYI477VOKY \
  | 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: 6c400ffd49efa0c7d77b5611cffeae5611a390bd20c13a67c55d04a183fc8693
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2f2d0cc07efdd9315a376cea98b3aa07fe86914e82031de53228ee45b6680b25",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-04-07T14:26:20Z",
    "title_canon_sha256": "3fffb045f6a8bbe2b9210ce103d7268cf380c4d6f7f9d96cc502575a4740f3ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02009",
    "kind": "arxiv",
    "version": 1
  }
}