Pith Number

pith:5IRMSDFT

pith:2018:5IRMSDFTFQ3HEHZJZEYLYNJJYM

not attested not anchored not stored refs pending

Density matrix approach for quantum free-electron lasers

G. R. M. Robb, H. Fares, N. Piovella

arxiv:1803.01941 v1 · 2018-03-05 · physics.acc-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{5IRMSDFTFQ3HEHZJZEYLYNJJYM}

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	2026-05-17T23:57:41.897654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea22c90cb32c36721f29c930bc3529c31f8aa973f545ce7fd6bc5e4f4d99c016

Aliases

arxiv: 1803.01941 · arxiv_version: 1803.01941v1 · doi: 10.48550/arxiv.1803.01941 · pith_short_12: 5IRMSDFTFQ3H · pith_short_16: 5IRMSDFTFQ3HEHZJ · pith_short_8: 5IRMSDFT

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/5IRMSDFTFQ3HEHZJZEYLYNJJYM \
  | 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: ea22c90cb32c36721f29c930bc3529c31f8aa973f545ce7fd6bc5e4f4d99c016

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05d9fdfeed34733a694b9c60a02b55547d11de0234fd91ab6a28741cfd217890",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2018-03-05T21:45:27Z",
    "title_canon_sha256": "85ea7495560aeb6287b97dfd5e68cf86384bc6bbebc7197e6fe8fb1c91812cca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01941",
    "kind": "arxiv",
    "version": 1
  }
}