Pith Number

pith:O233QHCN

pith:2017:O233QHCNUEKNIQGFR3YWHQL3GT

not attested not anchored not stored refs pending

Symmetries and Singularities of the Szekeres System

Andronikos Paliathanasis, P.G.L. Leach

arxiv:1702.01593 v1 · 2017-02-06 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O233QHCNUEKNIQGFR3YWHQL3GT}

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	2026-05-18T00:49:06.279453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76b7b81c4da114d440c58ef163c17b34daaf5f3325e344d2bbaf8b3e17aeabeb

Aliases

arxiv: 1702.01593 · arxiv_version: 1702.01593v1 · doi: 10.48550/arxiv.1702.01593 · pith_short_12: O233QHCNUEKN · pith_short_16: O233QHCNUEKNIQGF · pith_short_8: O233QHCN

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/O233QHCNUEKNIQGFR3YWHQL3GT \
  | 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: 76b7b81c4da114d440c58ef163c17b34daaf5f3325e344d2bbaf8b3e17aeabeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72bc89f030d7510b0935304b16f745aead4d2b026c958473795699a2e05061f4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-02-06T12:32:19Z",
    "title_canon_sha256": "04873d4b668d87efe3c6e5e1622d871b324c7471c8405edec064a1f72874d15c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01593",
    "kind": "arxiv",
    "version": 1
  }
}