Pith Number

pith:4AXZTNAJ

pith:2018:4AXZTNAJFI2NFV3ENVYK5XGA6B

not attested not anchored not stored refs pending

TBTK: A quantum mechanics software development kit

Kristofer Bj\"ornson

arxiv:1808.02409 v2 · 2018-08-07 · quant-ph · cond-mat.mes-hall · physics.comp-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{4AXZTNAJFI2NFV3ENVYK5XGA6B}

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	2026-05-17T23:51:39.466828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e02f99b4092a34d2d7646d70aedcc0f049466ebd525dced5dc0c6c5328b62137

Aliases

arxiv: 1808.02409 · arxiv_version: 1808.02409v2 · doi: 10.48550/arxiv.1808.02409 · pith_short_12: 4AXZTNAJFI2N · pith_short_16: 4AXZTNAJFI2NFV3E · pith_short_8: 4AXZTNAJ

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/4AXZTNAJFI2NFV3ENVYK5XGA6B \
  | 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: e02f99b4092a34d2d7646d70aedcc0f049466ebd525dced5dc0c6c5328b62137

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7ae88373e9577ffa99371fb64ed7df6ca7e9258336eca24af1158496f0a5b3b",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-08-07T14:57:25Z",
    "title_canon_sha256": "22144d45f191ca80d7a06737c70a90ceee740804a129a9d6b9d0714117a9d57f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02409",
    "kind": "arxiv",
    "version": 2
  }
}