Pith Number

pith:WHRINVBW

pith:2018:WHRINVBW5LIBFUQOZBU2OC5OY3

not attested not anchored not stored refs pending

Undulator-Based Positron Source at 250 GeV CM Energy with Different Optical Matching Devices: Pulsed Flux Concentrator and Quarter Wave Transformer

2), (2) Deutsches Elektronen-Synchrotron (DESY), (3) Deutsches Elektronen-Synchrotron (DESY)), Andriy Ushakov (1), Gudrid Moortgat-Pick (1, Sabine Riemann (3) ((1) University of Hamburg

arxiv:1801.08465 v1 · 2018-01-25 · 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{WHRINVBW5LIBFUQOZBU2OC5OY3}

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	2026-05-18T00:25:06.258559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1e286d436ead012d20ec869a70baec6debcd22263b39eb0aadc3d5c04fc2782

Aliases

arxiv: 1801.08465 · arxiv_version: 1801.08465v1 · doi: 10.48550/arxiv.1801.08465 · pith_short_12: WHRINVBW5LIB · pith_short_16: WHRINVBW5LIBFUQO · pith_short_8: WHRINVBW

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/WHRINVBW5LIBFUQOZBU2OC5OY3 \
  | 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: b1e286d436ead012d20ec869a70baec6debcd22263b39eb0aadc3d5c04fc2782

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5197513d56391f25625b6d932a1483f7f10374cbbca45c7562569e8fabdc2701",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2018-01-25T16:10:01Z",
    "title_canon_sha256": "003061cfda0ea94994fc92d755a55385ebba4c27f341c53214d04ff484e43f34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08465",
    "kind": "arxiv",
    "version": 1
  }
}