Pith Number

pith:QJVEOXSS

pith:2018:QJVEOXSSDV37ENAVJMXAPRFIO3

not attested not anchored not stored refs pending

Relatively complicated? Using models to teach general relativity at different levels

Markus P\"ossel

arxiv:1812.11589 v1 · 2018-12-30 · gr-qc · astro-ph.CO · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJVEOXSSDV37ENAVJMXAPRFIO3}

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	2026-05-17T23:57:11.574525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

826a475e521d77f234154b2e07c4a876d680999930733fb288362d9e767ad9b2

Aliases

arxiv: 1812.11589 · arxiv_version: 1812.11589v1 · doi: 10.48550/arxiv.1812.11589 · pith_short_12: QJVEOXSSDV37 · pith_short_16: QJVEOXSSDV37ENAV · pith_short_8: QJVEOXSS

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/QJVEOXSSDV37ENAVJMXAPRFIO3 \
  | 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: 826a475e521d77f234154b2e07c4a876d680999930733fb288362d9e767ad9b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b33f7a593a95f8098b6350e2e1028a723be3d82d1d2c4c770820bd937485e374",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-12-30T18:58:17Z",
    "title_canon_sha256": "36bbffc288342bc308086e9d4666743889e8245660f320d2df27edf66bba019f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11589",
    "kind": "arxiv",
    "version": 1
  }
}