Pith Number

pith:EBBIK27U

pith:2009:EBBIK27UHCPUXRVR2U3QFH5KQV

not attested not anchored not stored refs pending

On Retardation Effects in Space Charge Calculations Of High Current Electron Beams

D. Habs, F. Gr\"uner, S. Becker

arxiv:0907.4898 v2 · 2009-07-28 · 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{EBBIK27UHCPUXRVR2U3QFH5KQV}

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	2026-07-04T17:18:08.237505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2042856bf4389f4bc6b1d537029faa85713f978c7e00f0d77f1140f36cb956e0

Aliases

arxiv: 0907.4898 · arxiv_version: 0907.4898v2 · doi: 10.48550/arxiv.0907.4898 · pith_short_12: EBBIK27UHCPU · pith_short_16: EBBIK27UHCPUXRVR · pith_short_8: EBBIK27U

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/EBBIK27UHCPUXRVR2U3QFH5KQV \
  | 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: 2042856bf4389f4bc6b1d537029faa85713f978c7e00f0d77f1140f36cb956e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "078c5e269c87e452d6727a1d109eab2962373392546e782560cd7fc2fb46949f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2009-07-28T12:45:11Z",
    "title_canon_sha256": "b532d5606ec1f7e5f1fcc4839ca6b908d7c785731c272842144063d4ea85285a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4898",
    "kind": "arxiv",
    "version": 2
  }
}