Pith Number

pith:QIFM7E75

pith:2012:QIFM7E752LL65CDSAXI4TJ6QOI

not attested not anchored not stored refs pending

Topological Subsystem Codes From Graphs and Hypergraphs

Kenneth R. Brown, Pradeep Sarvepalli

arxiv:1207.0479 v1 · 2012-07-02 · 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{QIFM7E752LL65CDSAXI4TJ6QOI}

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	2026-05-18T03:05:18.905410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

820acf93fdd2d7ee887205d1c9a7d072052f19b2ae691c025d728a199d5c4fb8

Aliases

arxiv: 1207.0479 · arxiv_version: 1207.0479v1 · doi: 10.48550/arxiv.1207.0479 · pith_short_12: QIFM7E752LL6 · pith_short_16: QIFM7E752LL65CDS · pith_short_8: QIFM7E75

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/QIFM7E752LL65CDSAXI4TJ6QOI \
  | 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: 820acf93fdd2d7ee887205d1c9a7d072052f19b2ae691c025d728a199d5c4fb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dea531eadc118f0df4e58d3829b4d2a90e98990096f880f1a619e8d44433a5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-02T19:28:04Z",
    "title_canon_sha256": "41862311250e58ed6af9fe512fc3ca46f9459e3adcecc3550779eb6b55b8e3c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0479",
    "kind": "arxiv",
    "version": 1
  }
}