Pith Number

pith:ZL42KWHF

pith:2016:ZL42KWHFDZMS3EAJRVMKEOLOII

not attested not anchored not stored refs pending

Dual-rail optical gradient echo memory

Ben C. Buchler, Ben M. Sparkes, Daniel B. Higginbottom, Geoff T. Campbell, Jiao Geng, Julian Bernu, Mahdi Hosseini, Ming Tao Cao, Nick P. Robins, Ping Koy Lam

arxiv:1602.00491 v1 · 2016-02-01 · quant-ph · physics.atom-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{ZL42KWHFDZMS3EAJRVMKEOLOII}

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	2026-05-18T01:21:35.233883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caf9a558e51e592d90098d58a2396e42212b4f3f3d0f83575c864bb15eb5a9ce

Aliases

arxiv: 1602.00491 · arxiv_version: 1602.00491v1 · doi: 10.48550/arxiv.1602.00491 · pith_short_12: ZL42KWHFDZMS · pith_short_16: ZL42KWHFDZMS3EAJ · pith_short_8: ZL42KWHF

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/ZL42KWHFDZMS3EAJRVMKEOLOII \
  | 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: caf9a558e51e592d90098d58a2396e42212b4f3f3d0f83575c864bb15eb5a9ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a76c205f7be027c2a4a041a4384b46c417f7ddf083a4dc210165570d4bdb4944",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-02-01T12:16:38Z",
    "title_canon_sha256": "71aab7be24b599374ecb7a80df5d22b56e75fc5cc95f16cf04d9d37e4c46b25f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00491",
    "kind": "arxiv",
    "version": 1
  }
}