Pith Number

pith:DHUY65Q3

pith:2009:DHUY65Q375VD6LWIWBK3GWOMIK

not attested not anchored not stored refs pending

Classical behavior in quantum systems: the case of straight tracks in a cloud chamber

Alessandro Teta

arxiv:0905.1467 v1 · 2009-05-10 · math-ph · math.MP · physics.hist-ph · 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{DHUY65Q375VD6LWIWBK3GWOMIK}

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	2026-05-18T02:13:46.045748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19e98f761bff6a3f2ec8b055b359cc42bd3019c4b70633f558464ea78cb16ff6

Aliases

arxiv: 0905.1467 · arxiv_version: 0905.1467v1 · doi: 10.48550/arxiv.0905.1467 · pith_short_12: DHUY65Q375VD · pith_short_16: DHUY65Q375VD6LWI · pith_short_8: DHUY65Q3

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/DHUY65Q375VD6LWIWBK3GWOMIK \
  | 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: 19e98f761bff6a3f2ec8b055b359cc42bd3019c4b70633f558464ea78cb16ff6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42f71c80ff6d8f016f794c1eecb25c83850fbcbc00aec08403284b4c4c89d65e",
    "cross_cats_sorted": [
      "math.MP",
      "physics.hist-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-05-10T11:29:11Z",
    "title_canon_sha256": "b844e996ec3634641ebd177b2f1f0d4710c1baac234a952d569ed1fa718b55f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1467",
    "kind": "arxiv",
    "version": 1
  }
}