Pith Number

pith:2AOHWMAC

pith:2017:2AOHWMACG7TSCEPDWNEVBDFQ2E

not attested not anchored not stored refs pending

Bell's Spaceships: The Views from Bow and Stern

Geraint F. Lewis, Luke A. Barnes, Martin J. Sticka

arxiv:1712.05276 v1 · 2017-12-12 · physics.class-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{2AOHWMACG7TSCEPDWNEVBDFQ2E}

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	2026-05-18T00:24:47.458297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d01c7b300237e72111e3b349508cb0d12916ab031d57e3312ddfc3b174290be7

Aliases

arxiv: 1712.05276 · arxiv_version: 1712.05276v1 · doi: 10.48550/arxiv.1712.05276 · pith_short_12: 2AOHWMACG7TS · pith_short_16: 2AOHWMACG7TSCEPD · pith_short_8: 2AOHWMAC

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/2AOHWMACG7TSCEPDWNEVBDFQ2E \
  | 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: d01c7b300237e72111e3b349508cb0d12916ab031d57e3312ddfc3b174290be7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3aafd919b88d28e18baf0460d4dc7b0f72a735abcdd55b816ed613501422d49",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-12-12T20:48:43Z",
    "title_canon_sha256": "aa0b7709747500691bdabba1d09ea3ebb0175e9395b18bb93b4fd466103ea72c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.05276",
    "kind": "arxiv",
    "version": 1
  }
}