Pith Number

pith:DGGUIUAN

pith:2015:DGGUIUANPA2QNR55EOD2KX476K

not attested not anchored not stored refs pending

Algebraic quantum Hamiltonians on the plane

Vladimir Sokolov

arxiv:1503.05185 v1 · 2015-03-17 · 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{DGGUIUANPA2QNR55EOD2KX476K}

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	2026-05-18T01:31:45.038741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

198d44500d783506c7bd2387a55f9ff2b470b8f5ab4da10278caf4a22ef9c7eb

Aliases

arxiv: 1503.05185 · arxiv_version: 1503.05185v1 · doi: 10.48550/arxiv.1503.05185 · pith_short_12: DGGUIUANPA2Q · pith_short_16: DGGUIUANPA2QNR55 · pith_short_8: DGGUIUAN

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/DGGUIUANPA2QNR55EOD2KX476K \
  | 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: 198d44500d783506c7bd2387a55f9ff2b470b8f5ab4da10278caf4a22ef9c7eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20bd2baff2561f0baa4a6c51988b491a549172ec944d71260a67e4074f9654e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2015-03-17T19:54:55Z",
    "title_canon_sha256": "d0ca0ea7ea063bda90c6147ed7c882a99e7e00374e80c16ad37b87d947052fff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05185",
    "kind": "arxiv",
    "version": 1
  }
}