Pith Number

pith:FNKEP3UR

pith:2003:FNKEP3URGXFYQ4KQNVVGVS4TGV

not attested not anchored not stored refs pending

Quantum Vacuum Heuristics

Howard E. Brandt

arxiv:quant-ph/0303054 v1 · 2003-03-10 · 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{FNKEP3URGXFYQ4KQNVVGVS4TGV}

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	2026-05-18T01:37:59.483005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b5447ee9135cb8871506d6a6acb93357aefe9ea781d029c3d65c49ee96f71b2

Aliases

arxiv: quant-ph/0303054 · arxiv_version: quant-ph/0303054v1 · doi: 10.48550/arxiv.quant-ph/0303054 · pith_short_12: FNKEP3URGXFY · pith_short_16: FNKEP3URGXFYQ4KQ · pith_short_8: FNKEP3UR

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/FNKEP3URGXFYQ4KQNVVGVS4TGV \
  | 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: 2b5447ee9135cb8871506d6a6acb93357aefe9ea781d029c3d65c49ee96f71b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "999a7f3c3c1efcf3c671326228306e5793c065c41dc083798b986cf2f37ecade",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-03-10T22:27:08Z",
    "title_canon_sha256": "ccdabf257c86096faee8e7bc41efb289d2cfd501eb651ea9edf696f76b436757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0303054",
    "kind": "arxiv",
    "version": 1
  }
}