Pith Number

pith:B7TB355S

pith:2017:B7TB355ST7Z3D3ENFVBNZKCYCR

not attested not anchored not stored refs pending

Quantum backflow in solutions to the Dirac equation of the spin-$1/2$ free particle

Hong-Yi Su, Jing-Ling Chen

arxiv:1711.05891 v3 · 2017-11-16 · 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{B7TB355ST7Z3D3ENFVBNZKCYCR}

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	2026-05-18T00:00:59.890101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fe61df7b29ff3b1ec8d2d42dca858144b4abad664f1b0369f24547ee19e0ec9

Aliases

arxiv: 1711.05891 · arxiv_version: 1711.05891v3 · doi: 10.48550/arxiv.1711.05891 · pith_short_12: B7TB355ST7Z3 · pith_short_16: B7TB355ST7Z3D3EN · pith_short_8: B7TB355S

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/B7TB355ST7Z3D3ENFVBNZKCYCR \
  | 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: 0fe61df7b29ff3b1ec8d2d42dca858144b4abad664f1b0369f24547ee19e0ec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aed44f85cc9e2a86823e35f37b1fba1cf5156d66decef76b11608ab59e08ac2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-11-16T02:04:47Z",
    "title_canon_sha256": "75e4a62ea40e14299f70a1da575094e40513d9140edd0056f07f949ec7f99851"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05891",
    "kind": "arxiv",
    "version": 3
  }
}