Pith Number

pith:7ZV2K75N

pith:2017:7ZV2K75NL5YU25ZMSRFNNFHKFO

not attested not anchored not stored refs pending

Electron-Impact Multiple Ionization Cross Sections for Atoms and Ions of Helium through Zinc

Alfred Mueller, Daniel Wolf Savin, Michael Hahn

arxiv:1708.02155 v1 · 2017-08-07 · astro-ph.IM · physics.atom-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{7ZV2K75NL5YU25ZMSRFNNFHKFO}

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	2026-05-18T00:28:45.412618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe6ba57fad5f714d772c944ad694ea2b8e6f1d5c78430adca502a51a1b95b111

Aliases

arxiv: 1708.02155 · arxiv_version: 1708.02155v1 · doi: 10.48550/arxiv.1708.02155 · pith_short_12: 7ZV2K75NL5YU · pith_short_16: 7ZV2K75NL5YU25ZM · pith_short_8: 7ZV2K75N

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/7ZV2K75NL5YU25ZMSRFNNFHKFO \
  | 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: fe6ba57fad5f714d772c944ad694ea2b8e6f1d5c78430adca502a51a1b95b111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18fa45833b37ecc05916d51830d2982cddfd6dc361f94fbaacd2083399e431cc",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-08-07T15:13:18Z",
    "title_canon_sha256": "46347f5308604fef38c9edaeb9e59da23c3e9fd939033b60e4df8913d8797f81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02155",
    "kind": "arxiv",
    "version": 1
  }
}