Pith Number

pith:YJYSC6M7

pith:2017:YJYSC6M7EO6J3T4UMCKKU6AEZN

not attested not anchored not stored refs pending

Closed Timelike Curves and "Effective" Superluminal Travel with Naked Line Singularities

Caroline Mallary, Gaurav Khanna, Richard Price

arxiv:1708.09505 v2 · 2017-08-30 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJYSC6M7EO6J3T4UMCKKU6AEZN}

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	2026-05-18T00:07:11.968199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c27121799f23bc9dcf946094aa7804cb6c86829f61f93210a4cd1c881ec33f3f

Aliases

arxiv: 1708.09505 · arxiv_version: 1708.09505v2 · doi: 10.48550/arxiv.1708.09505 · pith_short_12: YJYSC6M7EO6J · pith_short_16: YJYSC6M7EO6J3T4U · pith_short_8: YJYSC6M7

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/YJYSC6M7EO6J3T4UMCKKU6AEZN \
  | 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: c27121799f23bc9dcf946094aa7804cb6c86829f61f93210a4cd1c881ec33f3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1fdd141293e963e2d57b441fc0e9fe73e6793710a5e315cbaff79bc874aa676",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-08-30T23:51:17Z",
    "title_canon_sha256": "3c6bf5a8e3398497af3ac827c4119653e000606728961ce939fbf5ee6ba629e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09505",
    "kind": "arxiv",
    "version": 2
  }
}