Pith Number

pith:4WWBXVVP

pith:2009:4WWBXVVPZNOC322U3JE5D4T67T

not attested not anchored not stored refs pending

Nonlinearity and constrained quantum motion

Anna C. T. Gustavsson, Dorje C. Brody, Lane P. Hughston

arxiv:0909.5164 v1 · 2009-09-28 · 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{4WWBXVVPZNOC322U3JE5D4T67T}

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	2026-05-18T02:26:45.793659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5ac1bd6afcb5c2deb54da49d1f27efccabdbc1c428a40c2bebed122a7145760

Aliases

arxiv: 0909.5164 · arxiv_version: 0909.5164v1 · doi: 10.48550/arxiv.0909.5164 · pith_short_12: 4WWBXVVPZNOC · pith_short_16: 4WWBXVVPZNOC322U · pith_short_8: 4WWBXVVP

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/4WWBXVVPZNOC322U3JE5D4T67T \
  | 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: e5ac1bd6afcb5c2deb54da49d1f27efccabdbc1c428a40c2bebed122a7145760

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbf269681e86617c147d152e58e7ca0b883952402418a848dfcbd23f420c729d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-09-28T18:26:12Z",
    "title_canon_sha256": "74f651dccff81eb8ee9f00b3db19b1f75362f456ffa40033ea4c2b5ae304afef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5164",
    "kind": "arxiv",
    "version": 1
  }
}