Pith Number

pith:VWD3FN4M

pith:2009:VWD3FN4MLLNY7XOSPPRDCXKNLT

not attested not anchored not stored refs pending

Nonlinear coherent states and Ehrenfest time for Schrodinger equation

Clotilde Fermanian Kammerer (LAMA), R\'emi Carles (I3M)

arxiv:0912.1939 v1 · 2009-12-10 · math.AP · 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{VWD3FN4MLLNY7XOSPPRDCXKNLT}

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	2026-05-18T04:12:43.131885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad87b2b78c5adb8fddd27be2315d4d5cd7baf273df6ab33bf63a99272542da0d

Aliases

arxiv: 0912.1939 · arxiv_version: 0912.1939v1 · doi: 10.48550/arxiv.0912.1939 · pith_short_12: VWD3FN4MLLNY · pith_short_16: VWD3FN4MLLNY7XOS · pith_short_8: VWD3FN4M

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/VWD3FN4MLLNY7XOSPPRDCXKNLT \
  | 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: ad87b2b78c5adb8fddd27be2315d4d5cd7baf273df6ab33bf63a99272542da0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e86c2a9f7d3e8b65dd6fbf89604de0f855fbca64092b2a0c9758f93c87ae50f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-12-10T08:56:04Z",
    "title_canon_sha256": "849d035d896c5085e158305d0431975b63c4b58d6f7d270247118b897a21f8f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1939",
    "kind": "arxiv",
    "version": 1
  }
}