Pith Number

pith:E4AQHWWE

pith:2019:E4AQHWWEQNMOPQT32JCYY4PKSX

not attested not anchored not stored refs pending

New ion energy-mass spectrometer ULTIMAN (UlTImate Mass ANalyzer) for space plasmas

Oleg Vaisberg, Sergey Shuvalov

arxiv:1907.07993 v1 · 2019-07-18 · physics.space-ph · astro-ph.IM · 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{E4AQHWWEQNMOPQT32JCYY4PKSX}

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	2026-05-17T23:40:15.414795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

270103dac48358e7c27bd2458c71ea95ff1e7ac418bb09871d990ff0d7496663

Aliases

arxiv: 1907.07993 · arxiv_version: 1907.07993v1 · doi: 10.48550/arxiv.1907.07993 · pith_short_12: E4AQHWWEQNMO · pith_short_16: E4AQHWWEQNMOPQT3 · pith_short_8: E4AQHWWE

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/E4AQHWWEQNMOPQT32JCYY4PKSX \
  | 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: 270103dac48358e7c27bd2458c71ea95ff1e7ac418bb09871d990ff0d7496663

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eed61074f8390df9f15ba4888c959c496b5562cc6805080ce2a6084c482e18f",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2019-07-18T11:21:33Z",
    "title_canon_sha256": "abb947f619d7e8dbf5e2551ae77d2bb833c45c004f2d62086064861b4ddbfdb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07993",
    "kind": "arxiv",
    "version": 1
  }
}