pith. sign in
Pith Number

pith:M5KZGMXV

pith:2019:M5KZGMXVNDABSM3IX3ZBHN2NRQ
not attested not anchored not stored refs pending

What are Physical States?

Stephen Boughn

arxiv:1903.10348 v2 · 2019-03-22 · physics.hist-ph · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{M5KZGMXVNDABSM3IX3ZBHN2NRQ}

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 2026-05-17T23:48:45.021901Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

67559332f568c0193368bef213b74d8c0b6a5d66c793c49f32e03fc571e0ccb7

Aliases

arxiv: 1903.10348 · arxiv_version: 1903.10348v2 · doi: 10.48550/arxiv.1903.10348 · pith_short_12: M5KZGMXVNDAB · pith_short_16: M5KZGMXVNDABSM3I · pith_short_8: M5KZGMXV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/M5KZGMXVNDABSM3IX3ZBHN2NRQ \
  | 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: 67559332f568c0193368bef213b74d8c0b6a5d66c793c49f32e03fc571e0ccb7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bf3479e4eb7bbd4a10c5be88c7fc7f284d92566ca8dad47cac596a4fd49c50c8",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2019-03-22T16:35:14Z",
    "title_canon_sha256": "d799e2dd78a0766ab8dfa5b4fea6c583046b88941c9aef67dd7c94593ece86d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10348",
    "kind": "arxiv",
    "version": 2
  }
}