Pith Number

pith:GUUB3NL2

pith:2019:GUUB3NL2BZEKQ42K4Y5UMP6RX7

not attested not anchored not stored refs pending

Quantum radiation reaction in aligned crystals beyond the local constant field approximation

A. Di Piazza, A. H. S{\o}rensen, C. F. Nielsen, T. N. Wistisen, U. I. Uggerh{\o}j

arxiv:1906.09144 v1 · 2019-06-21 · physics.plasm-ph · hep-ex · 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{GUUB3NL2BZEKQ42K4Y5UMP6RX7}

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	2026-07-05T00:12:01.306712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35281db57a0e48a8734ae63b463fd1bfe91a15fd24d14d31aed80c7bb2298bf8

Aliases

arxiv: 1906.09144 · arxiv_version: 1906.09144v1 · doi: 10.48550/arxiv.1906.09144 · pith_short_12: GUUB3NL2BZEK · pith_short_16: GUUB3NL2BZEKQ42K · pith_short_8: GUUB3NL2

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/GUUB3NL2BZEKQ42K4Y5UMP6RX7 \
  | 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: 35281db57a0e48a8734ae63b463fd1bfe91a15fd24d14d31aed80c7bb2298bf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d147c6253d7a116db21b2b054636ab96a58fa56eb38972fee42a308c302bb5b",
    "cross_cats_sorted": [
      "hep-ex",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2019-06-21T13:57:39Z",
    "title_canon_sha256": "7c53377e55e057c9862928ae9c882aa0339a16f95f3346a469ce88805ce3ea6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09144",
    "kind": "arxiv",
    "version": 1
  }
}