Pith Number

pith:2HHQKME7

pith:2021:2HHQKME7A3ZFTE6YYWRGCX6CMC

not attested not anchored not stored refs pending

How to create an artificial magnetosphere for Mars

Barry J. Kellett, Bob Bingham, Chuanfei Dong, James L. Green, Ruth A. Bamford, Vladimir Airapetian

arxiv:2111.06887 v1 · 2021-11-12 · physics.space-ph · astro-ph.EP · astro-ph.IM · 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{2HHQKME7A3ZFTE6YYWRGCX6CMC}

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	2026-07-05T03:31:32.714815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1cf05309f06f25993d8c5a2615fc26094537d9ae752ec788eacb353f4dfbb32

Aliases

arxiv: 2111.06887 · arxiv_version: 2111.06887v1 · doi: 10.48550/arxiv.2111.06887 · pith_short_12: 2HHQKME7A3ZF · pith_short_16: 2HHQKME7A3ZFTE6Y · pith_short_8: 2HHQKME7

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/2HHQKME7A3ZFTE6YYWRGCX6CMC \
  | 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: d1cf05309f06f25993d8c5a2615fc26094537d9ae752ec788eacb353f4dfbb32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94abfb52ac8badb2fe68b7136d064de8fd9598bf35f2a68ccfe64bf85901a8d5",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM",
      "physics.pop-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2021-11-12T19:46:41Z",
    "title_canon_sha256": "0eaee59b1fce4724b9f034fe1f0cccf40cfd662047b653866ea8d8aef9a8070d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.06887",
    "kind": "arxiv",
    "version": 1
  }
}