Pith Number

pith:U6XYYJFW

pith:2015:U6XYYJFW4BRQSQZFSLO5IYFZZW

not attested not anchored not stored refs pending

A Relativistic One-Particle Time of Arrival Operator for a Free Spin-1/2 Particle in (1 + 1) Dimensions

Eric Galapon, Joseph Bunao

arxiv:1509.00307 v1 · 2015-09-01 · 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{U6XYYJFW4BRQSQZFSLO5IYFZZW}

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	2026-05-18T01:34:14.460852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7af8c24b6e06309432592ddd460b9cd86ba9f74109639dbeb3916bd20e22a29

Aliases

arxiv: 1509.00307 · arxiv_version: 1509.00307v1 · doi: 10.48550/arxiv.1509.00307 · pith_short_12: U6XYYJFW4BRQ · pith_short_16: U6XYYJFW4BRQSQZF · pith_short_8: U6XYYJFW

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/U6XYYJFW4BRQSQZFSLO5IYFZZW \
  | 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: a7af8c24b6e06309432592ddd460b9cd86ba9f74109639dbeb3916bd20e22a29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c7337314a26adb37a0061d2d0902e66f8c9d97ad3c761a26bcfac2342f7f213",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-01T14:18:47Z",
    "title_canon_sha256": "c38016f50a8644fa2d71a7f51aad35263807b47b86218d0dfdb4fd032e0a9b7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00307",
    "kind": "arxiv",
    "version": 1
  }
}