Pith Number

pith:34DRVMDG

pith:2020:34DRVMDGUDCA36Y5NZXASLJ247

not attested not anchored not stored refs pending

Approximate Phase Search and Eigen Estimation using Modified Grover's Algorithm

Manoj Nambiar, M Girish Chandra, Sayantan Pramanik, Shampa Sarkar

arxiv:2012.11497 v1 · 2020-12-18 · 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{34DRVMDGUDCA36Y5NZXASLJ247}

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	2026-07-05T02:01:02.311302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df071ab066a0c40dfb1d6e6e092d3ae7c47624f6b208dd3bd84feae8bf04b43a

Aliases

arxiv: 2012.11497 · arxiv_version: 2012.11497v1 · doi: 10.48550/arxiv.2012.11497 · pith_short_12: 34DRVMDGUDCA · pith_short_16: 34DRVMDGUDCA36Y5 · pith_short_8: 34DRVMDG

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/34DRVMDGUDCA36Y5NZXASLJ247 \
  | 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: df071ab066a0c40dfb1d6e6e092d3ae7c47624f6b208dd3bd84feae8bf04b43a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "223c0ab67ddbbfb9261dbb4cfcb4d524170710ae421a870a09295fd0e06225b1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-12-18T17:50:30Z",
    "title_canon_sha256": "77b648e3688fc1f51e48ee52659d93b8f9746b38cd546044f2b6d5111ebc3486"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.11497",
    "kind": "arxiv",
    "version": 1
  }
}