Pith Number

pith:ZAK4VHEA

pith:2015:ZAK4VHEAQ7ZETFKCJ4UQQISZNP

not attested not anchored not stored refs pending

Backward-propagating MeV electrons from $10^{18}$ W/cm$^2$ laser interactions with water

Chris Orban, Enam A. Chowdhury, John A. Nees, John T. Morrison, Kyle D. Frische, Richard R. Freeman, Scott Feister, Vladimir M. Ovchinnikov, W. Melvyn Roquemore

arxiv:1501.02261 v2 · 2015-01-09 · physics.plasm-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{ZAK4VHEAQ7ZETFKCJ4UQQISZNP}

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	2026-05-18T01:41:11.823647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c815ca9c8087f24995424f290822596bebdea71863dae907b016ce65af954626

Aliases

arxiv: 1501.02261 · arxiv_version: 1501.02261v2 · doi: 10.48550/arxiv.1501.02261 · pith_short_12: ZAK4VHEAQ7ZE · pith_short_16: ZAK4VHEAQ7ZETFKC · pith_short_8: ZAK4VHEA

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/ZAK4VHEAQ7ZETFKCJ4UQQISZNP \
  | 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: c815ca9c8087f24995424f290822596bebdea71863dae907b016ce65af954626

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a85dc0110f3184977f2cb101fc7b47e20acecbcc4e1d914a60e6722d6909332d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2015-01-09T20:47:47Z",
    "title_canon_sha256": "b39e7976467bf6430c28a39af2e2c0f9a9be14af72bde8196fd7eda43ae8dd42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02261",
    "kind": "arxiv",
    "version": 2
  }
}