Pith Number

pith:W4LSTU4Q

pith:2013:W4LSTU4Q4NMGRRPAFKRC77DJ6E

not attested not anchored not stored refs pending

Progress with PXIE MEBT Chopper

A. Chen, A. Shemyakin, D. Peterson, D. Sun, G. Saewert, M. Wendt (Fermilab), R Pasquinelli, T. Tang (SLAC), V. Lebedev

arxiv:1301.5649 v1 · 2013-01-23 · 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{W4LSTU4Q4NMGRRPAFKRC77DJ6E}

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	2026-05-18T03:35:37.804116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b71729d390e35868c5e02aa22ffc69f13dfddfbd27003809ee9a824f1ec36e6a

Aliases

arxiv: 1301.5649 · arxiv_version: 1301.5649v1 · doi: 10.48550/arxiv.1301.5649 · pith_short_12: W4LSTU4Q4NMG · pith_short_16: W4LSTU4Q4NMGRRPA · pith_short_8: W4LSTU4Q

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/W4LSTU4Q4NMGRRPAFKRC77DJ6E \
  | 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: b71729d390e35868c5e02aa22ffc69f13dfddfbd27003809ee9a824f1ec36e6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ace2c37e2ff328f49e4e2cc11ed9d93833011c94f455fc3febb159e00362da0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2013-01-23T21:13:54Z",
    "title_canon_sha256": "3358cf97a5a29caa1113febc7d64beeffe30dc500ed0712aa1e93855919259d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5649",
    "kind": "arxiv",
    "version": 1
  }
}