Pith Number

pith:NBMVMXFI

pith:2009:NBMVMXFIKAYVSSWEBXYYCGBEFD

not attested not anchored not stored refs pending

Driving quantum walk spreading with the coin operator

Alejandro Romanelli

arxiv:0908.0019 v2 · 2009-07-31 · 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{NBMVMXFIKAYVSSWEBXYYCGBEFD}

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	2026-05-18T02:12:45.567065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6859565ca85031594ac40df181182428e6f0b4e6b190be6d21f3170423403ff8

Aliases

arxiv: 0908.0019 · arxiv_version: 0908.0019v2 · doi: 10.48550/arxiv.0908.0019 · pith_short_12: NBMVMXFIKAYV · pith_short_16: NBMVMXFIKAYVSSWE · pith_short_8: NBMVMXFI

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/NBMVMXFIKAYVSSWEBXYYCGBEFD \
  | 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: 6859565ca85031594ac40df181182428e6f0b4e6b190be6d21f3170423403ff8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6132a59684b17cce2e2195693a23d76fd8b51448511b560597ed93bc35339d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-31T22:46:32Z",
    "title_canon_sha256": "55bccd56c9ce2c592bb3ea9d876ac18dff0b606e7d5456ffd3c1541764516dff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0019",
    "kind": "arxiv",
    "version": 2
  }
}