Pith Number

pith:2V3MUUSO

pith:1993:2V3MUUSOXSZKL4QTBKLQEY6EHN

not attested not anchored not stored refs pending

$S^1 \times S^2$ wormholes and topological charge

S. Alexander Ridgway

arxiv:hep-th/9312149 v1 · 1993-12-16 · hep-th · 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{2V3MUUSOXSZKL4QTBKLQEY6EHN}

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	2026-05-18T04:37:42.867149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d576ca524ebcb2a5f2130a970263c43b7ca9b8b5172090a04b8e3155c14e720b

Aliases

arxiv: hep-th/9312149 · arxiv_version: hep-th/9312149v1 · doi: 10.48550/arxiv.hep-th/9312149 · pith_short_12: 2V3MUUSOXSZK · pith_short_16: 2V3MUUSOXSZKL4QT · pith_short_8: 2V3MUUSO

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/2V3MUUSOXSZKL4QTBKLQEY6EHN \
  | 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: d576ca524ebcb2a5f2130a970263c43b7ca9b8b5172090a04b8e3155c14e720b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb369b959c7b58be63c0b44ca49ab3dcdf88cf5ac972851946997cec0aff07c7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1993-12-16T20:18:36Z",
    "title_canon_sha256": "543564f90c129352bb982de02b056a0d0b37eeb6244a8ffaa5ecc6d98095786c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9312149",
    "kind": "arxiv",
    "version": 1
  }
}