Pith Number

pith:EGVO6BJZ

pith:2019:EGVO6BJZ2UPAFIR4TFQZ245Q5M

not attested not anchored not stored refs pending

Status of the undulator-based ILC positron source

Andriy Ushakov, Felix Dietrich, Gudrid Moortgat-Pick, Peter Sievers, Sabine Riemann

arxiv:1902.07744 v1 · 2019-02-20 · 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{EGVO6BJZ2UPAFIR4TFQZ245Q5M}

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	2026-05-17T23:53:03.965718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21aaef0539d51e02a23c99619d73b0eb004553837338a9c158d798d2ba6ba104

Aliases

arxiv: 1902.07744 · arxiv_version: 1902.07744v1 · doi: 10.48550/arxiv.1902.07744 · pith_short_12: EGVO6BJZ2UPA · pith_short_16: EGVO6BJZ2UPAFIR4 · pith_short_8: EGVO6BJZ

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/EGVO6BJZ2UPAFIR4TFQZ245Q5M \
  | 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: 21aaef0539d51e02a23c99619d73b0eb004553837338a9c158d798d2ba6ba104

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02caad12213225407ac4864f46ebb8a6a6f847f8152647bbbb48fc58959baa7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2019-02-20T19:27:56Z",
    "title_canon_sha256": "227100361b9446af3d84561067a8e8f22bb30aa2aaa349d5513f4829927c85a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07744",
    "kind": "arxiv",
    "version": 1
  }
}