Pith Number

pith:4FBTPVVD

pith:2012:4FBTPVVDBJTRMKOJK6PTDKFXVW

not attested not anchored not stored refs pending

Riemann-Hilbert Problems with canonical normalization and families of commuting operators

Vladimir S. Gerdjikov

arxiv:1204.2928 v1 · 2012-04-13 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FBTPVVDBJTRMKOJK6PTDKFXVW}

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	2026-05-18T03:58:02.524682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e14337d6a30a671629c9579f31a8b7ad891e3c14e385e6b22ec51b778af2dbb9

Aliases

arxiv: 1204.2928 · arxiv_version: 1204.2928v1 · doi: 10.48550/arxiv.1204.2928 · pith_short_12: 4FBTPVVDBJTR · pith_short_16: 4FBTPVVDBJTRMKOJ · pith_short_8: 4FBTPVVD

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/4FBTPVVDBJTRMKOJK6PTDKFXVW \
  | 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: e14337d6a30a671629c9579f31a8b7ad891e3c14e385e6b22ec51b778af2dbb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3230ce763c5d95f355a827a4a71e73a118d02dd2a2c31b5ec6bf5269d2c3dee5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-04-13T09:16:14Z",
    "title_canon_sha256": "b370ba3f015fb6a2cd54f011a6f0d849e71d198bdeec4adfc4ce06efbf102a5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2928",
    "kind": "arxiv",
    "version": 1
  }
}