Pith Number

pith:MJSZQ7IS

pith:2026:MJSZQ7ISDQSFDKPUVO3TDLQHEG

not attested not anchored not stored refs pending

On the geometrical and dynamical distinction between Unimodular and General Relativistic wormholes

Erick Past\'en, Marco Bosquez, Mauricio Cataldo, Norman Cruz

arxiv:2607.19657 v1 · 2026-07-22 · gr-qc · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJSZQ7ISDQSFDKPUVO3TDLQHEG}

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	2026-07-23T00:24:02.266995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6265987d121c2451a9f4abb731ae07218beee420e67dcb2451b4a9e413d6df08

Aliases

arxiv: 2607.19657 · arxiv_version: 2607.19657v1 · doi: 10.48550/arxiv.2607.19657 · pith_short_12: MJSZQ7ISDQSF · pith_short_16: MJSZQ7ISDQSFDKPU · pith_short_8: MJSZQ7IS

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/MJSZQ7ISDQSFDKPUVO3TDLQHEG \
  | 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: 6265987d121c2451a9f4abb731ae07218beee420e67dcb2451b4a9e413d6df08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1e23aaf33bfe5c7e5f910fb524c89617d17b9280735a6060c177b68e4ff6f1e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-22T01:47:23Z",
    "title_canon_sha256": "1248e030a405725259da1999c4434bfd317e64d30e150264f17d321755057c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19657",
    "kind": "arxiv",
    "version": 1
  }
}