Pith Number

pith:O56WWZCI

pith:2010:O56WWZCI27UKL7HRDHN2ZMJHHY

not attested not anchored not stored refs pending

Ray trajectories for a spinning cosmic string and a manifestation of self-cloaking

Akhlesh Lakhtakia (Pennsylvania State University), Tom G. Mackay (University of Edinburgh), Tom H. Anderson (University of Edinburgh)

arxiv:1007.3113 v1 · 2010-07-19 · physics.optics · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O56WWZCI27UKL7HRDHN2ZMJHHY}

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	2026-05-18T04:32:09.454946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

777d6b6448d7e8a5fcf119dbacb1273e20bac90d89135a38657e67defd18aeb5

Aliases

arxiv: 1007.3113 · arxiv_version: 1007.3113v1 · doi: 10.48550/arxiv.1007.3113 · pith_short_12: O56WWZCI27UK · pith_short_16: O56WWZCI27UKL7HR · pith_short_8: O56WWZCI

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/O56WWZCI27UKL7HRDHN2ZMJHHY \
  | 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: 777d6b6448d7e8a5fcf119dbacb1273e20bac90d89135a38657e67defd18aeb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3e590afd0a1cef7ea1b3f0a44bfb94d3bbbedea0fb6e2a789836375b41c8697",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-07-19T10:42:37Z",
    "title_canon_sha256": "a05d31145ec85d29d43c8430591dc469bf4e1495332b9ccf383c3711aec2f5c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3113",
    "kind": "arxiv",
    "version": 1
  }
}