Pith Number

pith:IATBRF5M

pith:1999:IATBRF5MGL7JNW7Z2RB67FX3AK

not attested not anchored not stored refs pending

Quantum Time Evolution in Terms of Nonredundant Expectation Values

Stefan Weigert

arxiv:quant-ph/9903103 v1 · 1999-03-31 · 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{IATBRF5MGL7JNW7Z2RB67FX3AK}

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	2026-05-18T02:35:06.556478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40261897ac32fe96dbf9d443ef96fb0290a09354507bf8c7863f5d5f364827bb

Aliases

arxiv: quant-ph/9903103 · arxiv_version: quant-ph/9903103v1 · doi: 10.48550/arxiv.quant-ph/9903103 · pith_short_12: IATBRF5MGL7J · pith_short_16: IATBRF5MGL7JNW7Z · pith_short_8: IATBRF5M

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/IATBRF5MGL7JNW7Z2RB67FX3AK \
  | 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: 40261897ac32fe96dbf9d443ef96fb0290a09354507bf8c7863f5d5f364827bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "703fcaddd1a9bda73f40e619c74d73d77aa6935ae8d1912ac80a66b8ce4f51ff",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1999-03-31T11:15:17Z",
    "title_canon_sha256": "9b38e6cc8128a2dc79df3e58169389dc61aa557daa158b9b3986a1eaff24140c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9903103",
    "kind": "arxiv",
    "version": 1
  }
}