Pith Number

pith:A23FUEUG

pith:2026:A23FUEUGNEG5HHEQOZDC54FZL2

not attested not anchored not stored refs pending

Obstructions to Traversable Wormholes in Einstein-Dirac Theory

Robert J. Weinbaum

arxiv:2607.28738 v1 · 2026-07-30 · 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{A23FUEUGNEG5HHEQOZDC54FZL2}

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	2026-08-03T00:12:31.887507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06b65a1286690dd39c9076462ef0b95e8d5ddacea7ef687765265c4e97884d51

Aliases

arxiv: 2607.28738 · arxiv_version: 2607.28738v1 · doi: 10.48550/arxiv.2607.28738 · pith_short_12: A23FUEUGNEG5 · pith_short_16: A23FUEUGNEG5HHEQ · pith_short_8: A23FUEUG

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/A23FUEUGNEG5HHEQOZDC54FZL2 \
  | 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: 06b65a1286690dd39c9076462ef0b95e8d5ddacea7ef687765265c4e97884d51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e08c66c23e0f90eff02b95271a798754750b47f3f2bcbf968000a47141ff7985",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-30T18:01:00Z",
    "title_canon_sha256": "a1b97b50127283d443f6e54bf41faa1ea43ad6f38fa041a1f203722b9436b630"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28738",
    "kind": "arxiv",
    "version": 1
  }
}