Pith Number

pith:OLB3OWEC

pith:2019:OLB3OWECB5JB7YZHDWEA6ZL4ZS

not attested not anchored not stored refs pending

State of a particle pair produced by the Schwinger effect is not necessarily a maximally entangled Bell state

De-Chang Dai

arxiv:1908.01005 v1 · 2019-08-01 · hep-th · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLB3OWECB5JB7YZHDWEA6ZL4ZS}

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	2026-07-05T00:02:01.634477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72c3b758820f521fe3271d880f657ccc97af10b4c2567fb699ebbf07202af13e

Aliases

arxiv: 1908.01005 · arxiv_version: 1908.01005v1 · doi: 10.48550/arxiv.1908.01005 · pith_short_12: OLB3OWECB5JB · pith_short_16: OLB3OWECB5JB7YZH · pith_short_8: OLB3OWEC

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/OLB3OWECB5JB7YZHDWEA6ZL4ZS \
  | 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: 72c3b758820f521fe3271d880f657ccc97af10b4c2567fb699ebbf07202af13e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f66282690d3e8bed5ab08931e437b0385cf46fcae628caebc1553789f7260245",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-08-01T13:57:14Z",
    "title_canon_sha256": "aa54dbf9d2498490d9af0c4d7ae4d6cadcf653130ea4417761451af719a22eca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01005",
    "kind": "arxiv",
    "version": 1
  }
}