Pith Number

pith:PXDB2UY3

pith:2013:PXDB2UY3ABBPLCYQTMI6DUES7J

not attested not anchored not stored refs pending

Study of some parameters interstellar transport using of magnetic umbrella

Martin \v{C}erm\'ak

arxiv:1301.6560 v2 · 2013-01-28 · physics.gen-ph · physics.pop-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{PXDB2UY3ABBPLCYQTMI6DUES7J}

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	2026-05-18T03:26:52.278916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dc61d531b0042f58b109b11e1d092fa6b48f6ac4a9dd79a8aa93c6315050795

Aliases

arxiv: 1301.6560 · arxiv_version: 1301.6560v2 · doi: 10.48550/arxiv.1301.6560 · pith_short_12: PXDB2UY3ABBP · pith_short_16: PXDB2UY3ABBPLCYQ · pith_short_8: PXDB2UY3

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/PXDB2UY3ABBPLCYQTMI6DUES7J \
  | 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: 7dc61d531b0042f58b109b11e1d092fa6b48f6ac4a9dd79a8aa93c6315050795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "145c18f9936aa894d26850cac1bbfb60698cd34f641ec84408616b95def74d96",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2013-01-28T14:41:37Z",
    "title_canon_sha256": "52857158a51acf8fd93082132ffb910c9a38856b403b5459af4189ef9d251578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6560",
    "kind": "arxiv",
    "version": 2
  }
}