Pith Number

pith:V2D7WL5R

pith:2026:V2D7WL5REURFK2Y62W355AJZCV

not attested not anchored not stored refs pending

Spin Chain Quantum Communication on a Trapped-Ion Processor

Madhumita Sarkar, Sougato Bose, Trinity Pointon

arxiv:2607.12999 v1 · 2026-07-14 · 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{V2D7WL5REURFK2Y62W355AJZCV}

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	2026-07-15T01:22:30.054397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae87fb2fb12522556b1ed5b7de8139154af09b1f4320f91d80ff4161fb7bb9c5

Aliases

arxiv: 2607.12999 · arxiv_version: 2607.12999v1 · doi: 10.48550/arxiv.2607.12999 · pith_short_12: V2D7WL5REURF · pith_short_16: V2D7WL5REURFK2Y6 · pith_short_8: V2D7WL5R

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/V2D7WL5REURFK2Y62W355AJZCV \
  | 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: ae87fb2fb12522556b1ed5b7de8139154af09b1f4320f91d80ff4161fb7bb9c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de2e120e00ce42f2c150e09a8176893ff0c2f0c878ba9c0bbae2c76df3208aeb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-14T17:48:53Z",
    "title_canon_sha256": "3ae31e7843f0a01717465976bce9ab6b384d2db8934790c330e731bb3675c911"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12999",
    "kind": "arxiv",
    "version": 1
  }
}