Pith Number

pith:DOXGDMQP

pith:2025:DOXGDMQPS3ZS4V7MANDAJC57JD

not attested not anchored not stored refs pending

Improved approximation algorithms for the EPR Hamiltonian

Ansh Nagda, Nathan Ju

arxiv:2504.10712 v1 · 2025-04-14 · quant-ph · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DOXGDMQPS3ZS4V7MANDAJC57JD}

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.

Cited by

1 paper in Pith

Convergence rates of Sum-of-Hermitian-Squares Hierarchies for the Pauli algebra

Receipt and verification

First computed	2026-07-05T10:49:22.875935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bae61b20f96f32e57ec0346048bbf48f07adfcc89f01697063485c398819b92

Aliases

arxiv: 2504.10712 · arxiv_version: 2504.10712v1 · doi: 10.48550/arxiv.2504.10712 · pith_short_12: DOXGDMQPS3ZS · pith_short_16: DOXGDMQPS3ZS4V7M · pith_short_8: DOXGDMQP

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/DOXGDMQPS3ZS4V7MANDAJC57JD \
  | 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: 1bae61b20f96f32e57ec0346048bbf48f07adfcc89f01697063485c398819b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77e254f13160e7e11777514133f710fe59b3ca68e0546b533e1715678042334e",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-14T21:08:40Z",
    "title_canon_sha256": "5420abac9065b251b0b8e4eda7a61a1e4bacac57fd8b12ec014e7f3da4a14b02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.10712",
    "kind": "arxiv",
    "version": 1
  }
}