Pith Number

pith:JE3C4BM7

pith:2019:JE3C4BM7AS3STS3OUGXHOU3N3M

not attested not anchored not stored refs pending

From ultracold electrons to coherent soft X-rays

B.H. Schaap, D.F.J. Nijhof, J.G.H. Franssen, O.J. Luiten, P.H.A. Mutsears, T.C.H. de Raadt

arxiv:1905.04031 v1 · 2019-05-10 · physics.acc-ph · physics.atom-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{JE3C4BM7AS3STS3OUGXHOU3N3M}

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	2026-05-17T23:46:34.810387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49362e059f04b729cb6ea1ae77536ddb0a2f7474b88aeb2885f1f8b232e2de9b

Aliases

arxiv: 1905.04031 · arxiv_version: 1905.04031v1 · doi: 10.48550/arxiv.1905.04031 · pith_short_12: JE3C4BM7AS3S · pith_short_16: JE3C4BM7AS3STS3O · pith_short_8: JE3C4BM7

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/JE3C4BM7AS3STS3OUGXHOU3N3M \
  | 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: 49362e059f04b729cb6ea1ae77536ddb0a2f7474b88aeb2885f1f8b232e2de9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdc70272050891f32e9545c29ad7631fba0673c81e24eef3544d01d51dd6c975",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2019-05-10T09:36:35Z",
    "title_canon_sha256": "7260d728fc6f748d60fd0e292bcb1f0b28c4cf33a939b4b05e6b353d995617b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04031",
    "kind": "arxiv",
    "version": 1
  }
}