Pith Number

pith:WWLV7OLQ

pith:2009:WWLV7OLQYB2CLRLB7O5XRKECUK

not attested not anchored not stored refs pending

Invariants and coherent states for a nonstationary fermionic forced oscillator

D.A. Trifonov, M. Drir, M. Maamache, O. Cherbal

arxiv:0912.4820 v1 · 2009-12-24 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWLV7OLQYB2CLRLB7O5XRKECUK}

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	2026-05-18T02:10:13.894807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5975fb970c07425c561fbbb78a882a29c198358f432e2907e9b39b50aed66ff

Aliases

arxiv: 0912.4820 · arxiv_version: 0912.4820v1 · doi: 10.48550/arxiv.0912.4820 · pith_short_12: WWLV7OLQYB2C · pith_short_16: WWLV7OLQYB2CLRLB · pith_short_8: WWLV7OLQ

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/WWLV7OLQYB2CLRLB7O5XRKECUK \
  | 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: b5975fb970c07425c561fbbb78a882a29c198358f432e2907e9b39b50aed66ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23e486e5bae72b137e1606b328e7b60af2903a839a5e5652a7a0cd25f3022395",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-24T09:44:32Z",
    "title_canon_sha256": "08aac8ceac65e6451a54a971b1d7f2767da1cfc89d2f3c07e9eb7c1ee583b18a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4820",
    "kind": "arxiv",
    "version": 1
  }
}