Pith Number

pith:Y5OUSGMB

pith:1994:Y5OUSGMBSQTR7B46BN7KAC47PX

not attested not anchored not stored refs pending

A Method for Calculating the Structure of (Singular) Spacetimes in the Large

Peter Huebner

arxiv:gr-qc/9409029 v1 · 1994-09-14 · 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{Y5OUSGMBSQTR7B46BN7KAC47PX}

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	2026-05-18T04:37:57.003174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c75d49198194271f879e0b7ea00b9f7dfc7b7c903f2a27d232b68c3e5c9d294e

Aliases

arxiv: gr-qc/9409029 · arxiv_version: gr-qc/9409029v1 · doi: 10.48550/arxiv.gr-qc/9409029 · pith_short_12: Y5OUSGMBSQTR · pith_short_16: Y5OUSGMBSQTR7B46 · pith_short_8: Y5OUSGMB

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/Y5OUSGMBSQTR7B46BN7KAC47PX \
  | 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: c75d49198194271f879e0b7ea00b9f7dfc7b7c903f2a27d232b68c3e5c9d294e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60fefb38a8d61be1541cc64197454d6f13b040da01392af68940af5a85d7e058",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-09-14T14:06:45Z",
    "title_canon_sha256": "2f5e259797403a0f257bd3a0c215df73ae76a4fe79169c9175725122b2e7e1ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9409029",
    "kind": "arxiv",
    "version": 1
  }
}