Pith Number

pith:47LH4I6V

pith:2017:47LH4I6VBPGVG5V6MYPDCNXPNL

not attested not anchored not stored refs pending

Discrete-Time Quantum Walks and Graph Structures

Chris Godsil, Hanmeng Zhan

arxiv:1701.04474 v4 · 2017-01-16 · math.CO · 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{47LH4I6VBPGVG5V6MYPDCNXPNL}

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	2026-05-17T23:46:04.667348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7d67e23d50bcd5376be661e3136ef6acf54590a0b50f0c2582e8f8175d2d3bf

Aliases

arxiv: 1701.04474 · arxiv_version: 1701.04474v4 · doi: 10.48550/arxiv.1701.04474 · pith_short_12: 47LH4I6VBPGV · pith_short_16: 47LH4I6VBPGVG5V6 · pith_short_8: 47LH4I6V

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/47LH4I6VBPGVG5V6MYPDCNXPNL \
  | 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: e7d67e23d50bcd5376be661e3136ef6acf54590a0b50f0c2582e8f8175d2d3bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c8160b688affce47afd92118d4752c77e7b4cc0eaa08cefee2e66b1659d8c4c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-01-16T22:20:32Z",
    "title_canon_sha256": "44d2793ddd97e3eccafb9bd5b449586b17d11de239df1c59237561a3ab642f8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04474",
    "kind": "arxiv",
    "version": 4
  }
}