Pith Number

pith:S735YPRV

pith:2009:S735YPRVT5HHJCBO6IO4FVBS2M

not attested not anchored not stored refs pending

Control by quantum dynamics on graphs

Chris Godsil, Simone Severini

arxiv:0910.5397 v3 · 2009-10-28 · quant-ph · math.CO · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S735YPRVT5HHJCBO6IO4FVBS2M}

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	2026-05-18T04:05:04.386578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97f7dc3e359f4e74882ef21dc2d432d32eceffff80246e30eca1fc647b44dd3c

Aliases

arxiv: 0910.5397 · arxiv_version: 0910.5397v3 · doi: 10.48550/arxiv.0910.5397 · pith_short_12: S735YPRVT5HH · pith_short_16: S735YPRVT5HHJCBO · pith_short_8: S735YPRV

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/S735YPRVT5HHJCBO6IO4FVBS2M \
  | 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: 97f7dc3e359f4e74882ef21dc2d432d32eceffff80246e30eca1fc647b44dd3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eac4c6a26135a06c9cd57bbdac003b9ea248cd12891bfe5b72ff96db0774b80b",
    "cross_cats_sorted": [
      "math.CO",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-10-28T14:58:25Z",
    "title_canon_sha256": "5a15d6a865c6b551178f08da5d798b9b5edca0cc57eab862da6b575b3b251111"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5397",
    "kind": "arxiv",
    "version": 3
  }
}