Pith Number

pith:P3K6IRS2

pith:2025:P3K6IRS2YMKNUA2RTJI7OH2EZ4

not attested not anchored not stored refs pending

Quantum coherence leveraged agnostic phase estimation

H. S. Karthik

arxiv:2507.21736 v1 · 2025-07-29 · 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{P3K6IRS2YMKNUA2RTJI7OH2EZ4}

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	2026-07-05T11:45:05.526436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ed5e4465ac314da03519a51f71f44cf1d6793acfb8770a0fc8db3053a42746e

Aliases

arxiv: 2507.21736 · arxiv_version: 2507.21736v1 · doi: 10.48550/arxiv.2507.21736 · pith_short_12: P3K6IRS2YMKN · pith_short_16: P3K6IRS2YMKNUA2R · pith_short_8: P3K6IRS2

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/P3K6IRS2YMKNUA2RTJI7OH2EZ4 \
  | 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: 7ed5e4465ac314da03519a51f71f44cf1d6793acfb8770a0fc8db3053a42746e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f213f49ad217f80bafdc4f982ed73d0d9a5037f35f13a9e3d55994e4d43c616b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-29T12:15:37Z",
    "title_canon_sha256": "df0f33f518569880378a0d424e98745d82d50a0a522f62ef26dd1c55e88fce15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.21736",
    "kind": "arxiv",
    "version": 1
  }
}