Pith Number

pith:4LES76LM

pith:2018:4LES76LM5XT2LLJMTWL7VDSH63

not attested not anchored not stored refs pending

Two-photon exchange: myth and history

Egle Tomasi-Gustafsson, Simone Pacetti

arxiv:1805.10868 v1 · 2018-05-28 · hep-ph · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4LES76LM5XT2LLJMTWL7VDSH63}

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	2026-05-18T00:11:48.974831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2c92ff96cede7a5ad2c9d97fa8e47f6d79448c29c038761f25efa4a89e1e6e6

Aliases

arxiv: 1805.10868 · arxiv_version: 1805.10868v1 · doi: 10.48550/arxiv.1805.10868 · pith_short_12: 4LES76LM5XT2 · pith_short_16: 4LES76LM5XT2LLJM · pith_short_8: 4LES76LM

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/4LES76LM5XT2LLJMTWL7VDSH63 \
  | 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: e2c92ff96cede7a5ad2c9d97fa8e47f6d79448c29c038761f25efa4a89e1e6e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "284e916617266e7b2bb4c5e58eae75803efcd1469b7ce060fb28fd0466b84f8e",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-05-28T11:19:46Z",
    "title_canon_sha256": "23e1334e89756c789fe80e2e606a7748d5f13b5c23e9cc75c1c15dc541f3e018"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10868",
    "kind": "arxiv",
    "version": 1
  }
}