Pith Number

pith:EOBNSPXY

pith:2015:EOBNSPXYJJSJLKKZ4L5IA2IGF4

not attested not anchored not stored refs pending

Foldy-Wouthuysen transformation of the generalised Dirac Hamiltonian in a gravitational-wave background

James Q. Quach

arxiv:1509.01671 v1 · 2015-09-05 · 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{EOBNSPXYJJSJLKKZ4L5IA2IGF4}

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	2026-05-18T01:33:50.883762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2382d93ef84a6495a959e2fa8069062f026c758f08bc42165fd7f18cab7aa18f

Aliases

arxiv: 1509.01671 · arxiv_version: 1509.01671v1 · doi: 10.48550/arxiv.1509.01671 · pith_short_12: EOBNSPXYJJSJ · pith_short_16: EOBNSPXYJJSJLKKZ · pith_short_8: EOBNSPXY

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/EOBNSPXYJJSJLKKZ4L5IA2IGF4 \
  | 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: 2382d93ef84a6495a959e2fa8069062f026c758f08bc42165fd7f18cab7aa18f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d113206d0a398d46058f50de1c80696eca7e41e9f61ac9493b0187d0e1ea8ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-05T07:57:36Z",
    "title_canon_sha256": "6fa8f34340866eec316e5eb0f39c725dd65f6d919c66584f871c229e03a19083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01671",
    "kind": "arxiv",
    "version": 1
  }
}