Pith Number

pith:I3VGU7BK

pith:2017:I3VGU7BKGBRHCCVOI2CKIVIWCO

not attested not anchored not stored refs pending

A type N radiation field solution with $\Lambda<0$ in a curved space-time and closed time-like curves

Faizuddin Ahmed

arxiv:1705.07405 v2 · 2017-05-21 · 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{I3VGU7BKGBRHCCVOI2CKIVIWCO}

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	2026-05-18T00:15:37.688669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46ea6a7c2a3062710aae4684a45516138c3960469a306e29664f817eaafc04bb

Aliases

arxiv: 1705.07405 · arxiv_version: 1705.07405v2 · doi: 10.48550/arxiv.1705.07405 · pith_short_12: I3VGU7BKGBRH · pith_short_16: I3VGU7BKGBRHCCVO · pith_short_8: I3VGU7BK

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/I3VGU7BKGBRHCCVOI2CKIVIWCO \
  | 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: 46ea6a7c2a3062710aae4684a45516138c3960469a306e29664f817eaafc04bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ba93b7d3f1c84c4e2773545d6ae87f81ac3da65a4e87e73064cac2d333c28d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-05-21T06:57:49Z",
    "title_canon_sha256": "c961b91b2f37a0b2423800d8fbe0a6ef28c4c8be1ca1ef4c492a53aff622d25a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07405",
    "kind": "arxiv",
    "version": 2
  }
}