Pith Number

pith:7HQPJF6A

pith:2013:7HQPJF6AZANRK7H64GLG5FREKJ

not attested not anchored not stored refs pending

Visualization of the G\"odel universe

Endre Kajari, Michael Buser, Wolfgang P. Schleich

arxiv:1303.4651 v1 · 2013-03-19 · 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{7HQPJF6AZANRK7H64GLG5FREKJ}

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	2026-05-18T03:30:26.621661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9e0f497c0c81b157cfee1966e962452743014d6ff7664a2fec4d9121346d5d5

Aliases

arxiv: 1303.4651 · arxiv_version: 1303.4651v1 · doi: 10.48550/arxiv.1303.4651 · pith_short_12: 7HQPJF6AZANR · pith_short_16: 7HQPJF6AZANRK7H6 · pith_short_8: 7HQPJF6A

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/7HQPJF6AZANRK7H64GLG5FREKJ \
  | 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: f9e0f497c0c81b157cfee1966e962452743014d6ff7664a2fec4d9121346d5d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff33cf4a1f196f3053437840993037c628e99aebb575d3ecb323f84dcd19929a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-19T16:19:49Z",
    "title_canon_sha256": "ec40c69574ac9158bfa88a445d5c981d1786059f261e2a890683d8b695c583d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4651",
    "kind": "arxiv",
    "version": 1
  }
}