Pith Number

pith:PQTKEXDO

pith:2013:PQTKEXDORUUEZHVFEMRG6X7CDN

not attested not anchored not stored refs pending

Momentum Operators in The Unit Square

Feng Tian, Steen Pedersen

arxiv:1301.2742 v1 · 2013-01-13 · math.SP · 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{PQTKEXDORUUEZHVFEMRG6X7CDN}

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	2026-05-18T03:36:35.366516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c26a25c6e8d284c9ea523226f5fe21b62223bfa165e23d56e34b6cec15415a2

Aliases

arxiv: 1301.2742 · arxiv_version: 1301.2742v1 · doi: 10.48550/arxiv.1301.2742 · pith_short_12: PQTKEXDORUUE · pith_short_16: PQTKEXDORUUEZHVF · pith_short_8: PQTKEXDO

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/PQTKEXDORUUEZHVFEMRG6X7CDN \
  | 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: 7c26a25c6e8d284c9ea523226f5fe21b62223bfa165e23d56e34b6cec15415a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6d01d9202de5ce5b8cf960ebb606171fdb15fc934e4decb6a8258d29deb835b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2013-01-13T04:19:48Z",
    "title_canon_sha256": "a8f36e844568a4b4f9eec920d4ac497e09b322779f32dfe59698cce13a649b9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2742",
    "kind": "arxiv",
    "version": 1
  }
}