Pith Number

pith:POQBDV43

pith:2014:POQBDV43XZJUJUL3JRWNTZLDFP

not attested not anchored not stored refs pending

Positive contraction mappings for classical and quantum Schrodinger systems

Michele Pavon, Tryphon T. Georgiou

arxiv:1405.6650 v3 · 2014-05-26 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{POQBDV43XZJUJUL3JRWNTZLDFP}

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	2026-05-18T01:43:06.239973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ba011d79bbe5344d17b4c6cd9e5632bf5ebe9888e0c4ce9cf2b8b92b632fa76

Aliases

arxiv: 1405.6650 · arxiv_version: 1405.6650v3 · doi: 10.48550/arxiv.1405.6650 · pith_short_12: POQBDV43XZJU · pith_short_16: POQBDV43XZJUJUL3 · pith_short_8: POQBDV43

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/POQBDV43XZJUJUL3JRWNTZLDFP \
  | 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: 7ba011d79bbe5344d17b4c6cd9e5632bf5ebe9888e0c4ce9cf2b8b92b632fa76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "179c04f99f9cb3445d716920b47bccd1c236d623e29d8ed20860ea7af3865ec7",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-05-26T17:22:33Z",
    "title_canon_sha256": "56307770efe53daa663baec4e2a442dc3e9026e094588763bf6b428bb5208601"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6650",
    "kind": "arxiv",
    "version": 3
  }
}