Pith Number

pith:4NLDFECG

pith:2014:4NLDFECGNEIX73NMZN2WWGUUO6

not attested not anchored not stored refs pending

Beam Extraction and Transport

T. Kalvas

arxiv:1401.3951 v1 · 2014-01-16 · 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{4NLDFECGNEIX73NMZN2WWGUUO6}

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	2026-05-18T03:01:55.828131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e35632904669117fedaccb756b1a9477b424f057dc9310a9d40d9fe73fb3f8f9

Aliases

arxiv: 1401.3951 · arxiv_version: 1401.3951v1 · doi: 10.48550/arxiv.1401.3951 · pith_short_12: 4NLDFECGNEIX · pith_short_16: 4NLDFECGNEIX73NM · pith_short_8: 4NLDFECG

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/4NLDFECGNEIX73NMZN2WWGUUO6 \
  | 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: e35632904669117fedaccb756b1a9477b424f057dc9310a9d40d9fe73fb3f8f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1bef94b09335e0a52fd6f8a032aa055f0d02e14a3d64b718c710c566ac355eb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2014-01-16T09:28:42Z",
    "title_canon_sha256": "e94a730e92c89b50ced5f61996237c13fad8d38e6e89f32395231d4083ee9c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3951",
    "kind": "arxiv",
    "version": 1
  }
}