Pith Number

pith:EU54MHXR

pith:2012:EU54MHXRV5XNAJEA76DTJ6UBC3

not attested not anchored not stored refs pending

Comment to the paper: 'Seeded quantum FEL at 478 keV' AIP Conf. Proc. 'Light at Extreme Intensities' 1462 173-176 (2012)'

Vittoria Petrillo

arxiv:1212.4594 v1 · 2012-12-19 · physics.acc-ph · quant-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{EU54MHXRV5XNAJEA76DTJ6UBC3}

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	2026-05-18T03:38:11.903254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

253bc61ef1af6ed02480ff8734fa8116dc95b641b416167d11eb521107b87cc1

Aliases

arxiv: 1212.4594 · arxiv_version: 1212.4594v1 · doi: 10.48550/arxiv.1212.4594 · pith_short_12: EU54MHXRV5XN · pith_short_16: EU54MHXRV5XNAJEA · pith_short_8: EU54MHXR

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/EU54MHXRV5XNAJEA76DTJ6UBC3 \
  | 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: 253bc61ef1af6ed02480ff8734fa8116dc95b641b416167d11eb521107b87cc1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ca9d4c67b6cabadd3f9b9a6c1ae53c2f72e4d6cde7cc1134b6f5fff4dec3770",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2012-12-19T08:23:07Z",
    "title_canon_sha256": "39672749f47b741412a6d6cecac50f41b00bc5c36b14f3bd79cbf310b0c35ba6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.4594",
    "kind": "arxiv",
    "version": 1
  }
}