Pith Number

pith:CCA5MN2A

pith:2017:CCA5MN2AQC5YGZBWO4AXFTK7RT

not attested not anchored not stored refs pending

Axially Symmetric Null dust Spacetime, Naked Singularity and Cosmic Time Machine

Faizuddin Ahmed

arxiv:1705.05644 v1 · 2017-05-16 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CCA5MN2AQC5YGZBWO4AXFTK7RT}

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	2026-05-18T00:42:28.587893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1081d6374080bb836436770172cd5f8cd08fb2fcbafe8c0cf9a3a7cdaffce2d4

Aliases

arxiv: 1705.05644 · arxiv_version: 1705.05644v1 · doi: 10.48550/arxiv.1705.05644 · pith_short_12: CCA5MN2AQC5Y · pith_short_16: CCA5MN2AQC5YGZBW · pith_short_8: CCA5MN2A

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/CCA5MN2AQC5YGZBWO4AXFTK7RT \
  | 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: 1081d6374080bb836436770172cd5f8cd08fb2fcbafe8c0cf9a3a7cdaffce2d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98f562d03db7b970f71050fc0c19292b2d0948806d2747e8a3e8dd52f9c2e4c6",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-05-16T11:08:46Z",
    "title_canon_sha256": "4e7622e1036d5135d6404285afcdbb957383b5a8716c9180e2087c8831bfed2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05644",
    "kind": "arxiv",
    "version": 1
  }
}