pith. sign in
Pith Number

pith:J5K3VXQT

pith:2015:J5K3VXQTXISRPT6XYSRUUYLDQH
not attested not anchored not stored refs pending

Quantum Time

Lorenzo Maccone, Seth Lloyd, Vittorio Giovannetti

arxiv:1504.04215 v3 · 2015-04-16 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J5K3VXQTXISRPT6XYSRUUYLDQH}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T01:34:23.544826Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4f55bade13ba2517cfd7c4a34a616381c81719b0cd5bb90012e8b02f0a9cbb41

Aliases

arxiv: 1504.04215 · arxiv_version: 1504.04215v3 · doi: 10.48550/arxiv.1504.04215 · pith_short_12: J5K3VXQTXISR · pith_short_16: J5K3VXQTXISRPT6X · pith_short_8: J5K3VXQT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J5K3VXQTXISRPT6XYSRUUYLDQH \
  | 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: 4f55bade13ba2517cfd7c4a34a616381c81719b0cd5bb90012e8b02f0a9cbb41
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e4d8485851b80c83ac03f0d14ba71c60a146671db42931cdb9670e4d3cdc1614",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-16T12:58:45Z",
    "title_canon_sha256": "7d782d380f66accfec00673e97afe614dfc8be2fd3a946e4656955cdbb0cf7e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04215",
    "kind": "arxiv",
    "version": 3
  }
}