Pith Number

pith:KPU2W5Z4

pith:2009:KPU2W5Z4G4VSYPCEOLWIQLIGDA

not attested not anchored not stored refs pending

Theoretical construction of stable traversable wormholes

Peter K.F. Kuhfittig

arxiv:0903.3423 v3 · 2009-03-19 · 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{KPU2W5Z4G4VSYPCEOLWIQLIGDA}

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	2026-05-18T03:35:26.758142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53e9ab773c372b2c3c4472ec882d061813df31e8645f8b8921f9b2190f82ffa6

Aliases

arxiv: 0903.3423 · arxiv_version: 0903.3423v3 · doi: 10.48550/arxiv.0903.3423 · pith_short_12: KPU2W5Z4G4VS · pith_short_16: KPU2W5Z4G4VSYPCE · pith_short_8: KPU2W5Z4

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/KPU2W5Z4G4VSYPCEOLWIQLIGDA \
  | 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: 53e9ab773c372b2c3c4472ec882d061813df31e8645f8b8921f9b2190f82ffa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db2e67c7ffdbd1441d59d19de0d745e83bd6aac5bb01408860bc96a85e30d341",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-03-19T20:57:27Z",
    "title_canon_sha256": "1b07a7c24b3ca90f95799166c70dd241afaf35b6a163e6b7fb4774ac83397cf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3423",
    "kind": "arxiv",
    "version": 3
  }
}