Pith Number

pith:AYXZBFZE

pith:2015:AYXZBFZETFDMAI2M4B2ASY2GDZ

not attested not anchored not stored refs pending

Non-Conservative Variational Approximation for Nonlinear Schroedinger Equations

J. Rossi, P.G. Kevrekidis, R. Carretero-Gonzalez

arxiv:1508.07040 v1 · 2015-08-27 · 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{AYXZBFZETFDMAI2M4B2ASY2GDZ}

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	2026-05-18T01:34:37.127271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

062f9097249946c0234ce0740963461e4a0eb749be6ccfffc2342d94310feaa7

Aliases

arxiv: 1508.07040 · arxiv_version: 1508.07040v1 · doi: 10.48550/arxiv.1508.07040 · pith_short_12: AYXZBFZETFDM · pith_short_16: AYXZBFZETFDMAI2M · pith_short_8: AYXZBFZE

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/AYXZBFZETFDMAI2M4B2ASY2GDZ \
  | 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: 062f9097249946c0234ce0740963461e4a0eb749be6ccfffc2342d94310feaa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dcaa13b15ea98a045ba01fc8b871d0fe5564f09273c945c1e7301ab8d5ef5d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.PS",
    "submitted_at": "2015-08-27T21:31:11Z",
    "title_canon_sha256": "2a96ef7226cd86869f67133c2159dc21949f0889500bb40dfece110d0c8bf07c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07040",
    "kind": "arxiv",
    "version": 1
  }
}