Pith Number

pith:7U5BMV4F

pith:2012:7U5BMV4FD6NMOLINOIQVOC3B7T

not attested not anchored not stored refs pending

A quantum algorithm for solving some discrete mathematical problems by probing their energy spectra

Fuli Li, Hefeng Wang, Heng Fan

arxiv:1206.4747 v3 · 2012-06-21 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7U5BMV4FD6NMOLINOIQVOC3B7T}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:58:46.641325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd3a1657851f9ac72d0d7221570b61fcee4aa84967d1306beaae91481e540f33

Aliases

arxiv: 1206.4747 · arxiv_version: 1206.4747v3 · doi: 10.48550/arxiv.1206.4747 · pith_short_12: 7U5BMV4FD6NM · pith_short_16: 7U5BMV4FD6NMOLIN · pith_short_8: 7U5BMV4F

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/7U5BMV4FD6NMOLINOIQVOC3B7T \
  | 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: fd3a1657851f9ac72d0d7221570b61fcee4aa84967d1306beaae91481e540f33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "816b9db863e1ac524f5f122802130771306bf89581bc3c4f17a2948467e1559c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-21T00:28:44Z",
    "title_canon_sha256": "abc19e80614df8170e236a6776f6854abb0be3af92dcfd955dbf19d0ca2a3792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4747",
    "kind": "arxiv",
    "version": 3
  }
}