Pith Number

pith:UTD3H5VB

pith:2015:UTD3H5VBMTHDCNRAZQPINQKGXQ

not attested not anchored not stored refs pending

Bifurcation of nonlinear eigenvalues in problems with antilinear symmetry

Petr Siegl, Tomas Dohnal

arxiv:1504.00054 v2 · 2015-03-31 · math-ph · math.MP · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTD3H5VBMTHDCNRAZQPINQKGXQ}

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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	2026-05-18T02:17:32.993181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4c7b3f6a164ce313620cc1e86c146bc1ef4a8aeb4796a8a9486838e3b241656

Aliases

arxiv: 1504.00054 · arxiv_version: 1504.00054v2 · doi: 10.48550/arxiv.1504.00054 · pith_short_12: UTD3H5VBMTHD · pith_short_16: UTD3H5VBMTHDCNRA · pith_short_8: UTD3H5VB

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/UTD3H5VBMTHDCNRAZQPINQKGXQ \
  | 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: a4c7b3f6a164ce313620cc1e86c146bc1ef4a8aeb4796a8a9486838e3b241656

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "283d261de60d1178e6c8f4a37dcb6a7bc3144c89c5ca316cdf7c3388f48df1d2",
    "cross_cats_sorted": [
      "math.MP",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-03-31T21:57:34Z",
    "title_canon_sha256": "c481dc1e7e1eef2770b2b25a4e21c70c1ffa00354d44fc0a8bcacbb7b2dbd667"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00054",
    "kind": "arxiv",
    "version": 2
  }
}