Pith Number

pith:LEF6FYYC

pith:2018:LEF6FYYC5V7UL2MRVHOJMNIM7Q

not attested not anchored not stored refs pending

Two-photon exchange in nonrelativistic approximation

Alexander Kobushkin, Dmitry Borisyuk

arxiv:1811.06928 v1 · 2018-11-16 · hep-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{LEF6FYYC5V7UL2MRVHOJMNIM7Q}

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	2026-05-18T00:00:33.434839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

590be2e302ed7f45e991a9dc96350cfc1bd4797f19f212b26c244ec4304ac3e2

Aliases

arxiv: 1811.06928 · arxiv_version: 1811.06928v1 · doi: 10.48550/arxiv.1811.06928 · pith_short_12: LEF6FYYC5V7U · pith_short_16: LEF6FYYC5V7UL2MR · pith_short_8: LEF6FYYC

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/LEF6FYYC5V7UL2MRVHOJMNIM7Q \
  | 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: 590be2e302ed7f45e991a9dc96350cfc1bd4797f19f212b26c244ec4304ac3e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28ef0bcf960fd555e9b746d68fe988f4448350032a55c153e05fa1c4c4e9352e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-11-16T17:21:04Z",
    "title_canon_sha256": "a7da60c0b0feefcc6ad4cc2d48bcfe001c4379ed4c5bca85ec812044cead9ac1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06928",
    "kind": "arxiv",
    "version": 1
  }
}