Pith Number

pith:EBDQAGHW

pith:2019:EBDQAGHW2FSJ36KJIQGXF2S76P

not attested not anchored not stored refs pending

Quantum algorithm for total least squares data fitting

Hefeng Wang, Hua Xiang

arxiv:1906.01194 v1 · 2019-06-04 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EBDQAGHW2FSJ36KJIQGXF2S76P}

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	2026-05-17T23:44:17.613587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20470018f6d1649df949440d72ea5ff3f41174af1b7eb20a1f7ed27d12ba7ef8

Aliases

arxiv: 1906.01194 · arxiv_version: 1906.01194v1 · doi: 10.48550/arxiv.1906.01194 · pith_short_12: EBDQAGHW2FSJ · pith_short_16: EBDQAGHW2FSJ36KJ · pith_short_8: EBDQAGHW

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/EBDQAGHW2FSJ36KJIQGXF2S76P \
  | 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: 20470018f6d1649df949440d72ea5ff3f41174af1b7eb20a1f7ed27d12ba7ef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c77f09244690eb59d2b235980e32807dc8e8ab572d396e436b6dba4f7803ad18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-04T04:54:24Z",
    "title_canon_sha256": "7c95f924f2dfa6f75a0d282a7f3bd474fb10d6e91e6608736c824caf8309c3a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01194",
    "kind": "arxiv",
    "version": 1
  }
}