Pith Number

pith:IOYQSZ2G

pith:2004:IOYQSZ2GP4L73SAWNCP6YMVO24

not attested not anchored not stored refs pending

External Time-Varying Fields and Electron Coherence

Jen-Tsung Hsiang, L. H. Ford

arxiv:quant-ph/0402028 v2 · 2004-02-03 · 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{IOYQSZ2GP4L73SAWNCP6YMVO24}

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	2026-07-04T16:50:12.494341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43b10967467f17fdc816689fec32aed71541bbbcb499116ab1397cda42b89d0c

Aliases

arxiv: quant-ph/0402028 · arxiv_version: quant-ph/0402028v2 · doi: 10.48550/arxiv.quant-ph/0402028 · pith_short_12: IOYQSZ2GP4L7 · pith_short_16: IOYQSZ2GP4L73SAW · pith_short_8: IOYQSZ2G

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/IOYQSZ2GP4L73SAWNCP6YMVO24 \
  | 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: 43b10967467f17fdc816689fec32aed71541bbbcb499116ab1397cda42b89d0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "619def61ce56613567a89da31eb1aab65bfebe212c4087597b551be2f7aaf66b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-02-03T23:00:22Z",
    "title_canon_sha256": "57d512a94a232308f3005d754a1e8dd0b563e2b173e68cceb74ee5cad5542e4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0402028",
    "kind": "arxiv",
    "version": 2
  }
}