Pith Number

pith:DEE7T7VN

pith:2004:DEE7T7VNXNA4YXR3JWC777QXOF

not attested not anchored not stored refs pending

Why is Schrodinger's Equation Linear?

Rajesh R. Parwani

arxiv:quant-ph/0412192 v2 · 2004-12-24 · quant-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DEE7T7VNXNA4YXR3JWC777QXOF}

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	2026-05-18T01:37:58.094427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1909f9feadbb41cc5e3b4d85fffe17715432cd0a7f15ea3304fb8c9c796872bd

Aliases

arxiv: quant-ph/0412192 · arxiv_version: quant-ph/0412192v2 · doi: 10.48550/arxiv.quant-ph/0412192 · pith_short_12: DEE7T7VNXNA4 · pith_short_16: DEE7T7VNXNA4YXR3 · pith_short_8: DEE7T7VN

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/DEE7T7VNXNA4YXR3JWC777QXOF \
  | 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: 1909f9feadbb41cc5e3b4d85fffe17715432cd0a7f15ea3304fb8c9c796872bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea9303081fc38af247d1238f19c4331667f98a4cf14842746018ad78c2cb238e",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-12-24T05:49:06Z",
    "title_canon_sha256": "0241bc73e5a4905b458e05c55e9db5776ff1756e3a0306e09b99cb236948fc7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0412192",
    "kind": "arxiv",
    "version": 2
  }
}