Pith Number

pith:YYYZI7RN

pith:1995:YYYZI7RNWQ7YZXCVRVELVHILPE

not attested not anchored not stored refs pending

Mathematical Structures of Space-Time

Giampiero Esposito

arxiv:gr-qc/9506088 v1 · 1995-07-01 · 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{YYYZI7RNWQ7YZXCVRVELVHILPE}

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	2026-05-18T01:39:19.576712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c631947e2db43f8cdc558d48ba9d0b7918e1842a5b603089c76cea31319321c2

Aliases

arxiv: gr-qc/9506088 · arxiv_version: gr-qc/9506088v1 · doi: 10.48550/arxiv.gr-qc/9506088 · pith_short_12: YYYZI7RNWQ7Y · pith_short_16: YYYZI7RNWQ7YZXCV · pith_short_8: YYYZI7RN

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/YYYZI7RNWQ7YZXCVRVELVHILPE \
  | 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: c631947e2db43f8cdc558d48ba9d0b7918e1842a5b603089c76cea31319321c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5760941bffbfba80b2db3400c9e42db44418f50d826591a425490d4fc444a882",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1995-07-01T19:30:43Z",
    "title_canon_sha256": "965ac000642cca397563674fa4b657bc8a394f2fce2c9731d4c24360558ac63a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9506088",
    "kind": "arxiv",
    "version": 1
  }
}