Pith Number

pith:HAC226ZF

pith:2004:HAC226ZFM6JA2FMUVTRFQCLCIR

not attested not anchored not stored refs pending

Frustration, interaction strength and ground-state entanglement in complex quantum systems

Christopher M. Dawson, Michael A. Nielsen

arxiv:quant-ph/0401061 v3 · 2004-01-12 · 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{HAC226ZFM6JA2FMUVTRFQCLCIR}

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	2026-07-04T16:50:11.139357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3805ad7b2567920d1594ace2580962444fda7f12e29446e26cc6ccfbf9514e7a

Aliases

arxiv: quant-ph/0401061 · arxiv_version: quant-ph/0401061v3 · doi: 10.48550/arxiv.quant-ph/0401061 · pith_short_12: HAC226ZFM6JA · pith_short_16: HAC226ZFM6JA2FMU · pith_short_8: HAC226ZF

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/HAC226ZFM6JA2FMUVTRFQCLCIR \
  | 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: 3805ad7b2567920d1594ace2580962444fda7f12e29446e26cc6ccfbf9514e7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5ba009e40eafa3c594f3d214a15d22734d7c42ad7b767279be7789d1669089b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-01-12T02:34:35Z",
    "title_canon_sha256": "a0f3aa7b45b3c70958496e48227daf029652c1781d4e3230faeb4710a2e94c24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0401061",
    "kind": "arxiv",
    "version": 3
  }
}