Pith Number

pith:OOFVT5KS

pith:2020:OOFVT5KSDL3D3NOFVYBOIGDAO7

not attested not anchored not stored refs pending

The spiral1 charge breeder: key points for a performant 1+ beam injection

C. Vandamme, J.F. Cam, L. Maunoury, M. Dubois, O. Kamalou, P. Delahaye, R. Frigot, S. Damoy, S. Hormigos

arxiv:2012.09618 v1 · 2020-12-17 · 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{OOFVT5KSDL3D3NOFVYBOIGDAO7}

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	2026-07-05T02:55:36.666407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

738b59f5521af63db5c5ae02e4186077c0c28e506d37cc9f6b2f802dd6373f0f

Aliases

arxiv: 2012.09618 · arxiv_version: 2012.09618v1 · doi: 10.48550/arxiv.2012.09618 · pith_short_12: OOFVT5KSDL3D · pith_short_16: OOFVT5KSDL3D3NOF · pith_short_8: OOFVT5KS

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/OOFVT5KSDL3D3NOFVYBOIGDAO7 \
  | 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: 738b59f5521af63db5c5ae02e4186077c0c28e506d37cc9f6b2f802dd6373f0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "144877db03a1998e68c2669fc2ec6e9c1e68604a8514c74d119e78239284a0cd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2020-12-17T14:35:33Z",
    "title_canon_sha256": "2e4883474ab192a98c2fd1a21494c82476d82647385186491a60ba616eeef2b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09618",
    "kind": "arxiv",
    "version": 1
  }
}