Pith Number

pith:HW4L3ZY7

pith:2013:HW4L3ZY7IOT374BG3K3CFO32NR

not attested not anchored not stored refs pending

What wormhole is traversable?: A case of a wormhole supported by a spherical thin shell

Ken-ichi Nakao, Shunichiro Kinoshita, Tatsuya Uno

arxiv:1306.6917 v1 · 2013-06-28 · 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{HW4L3ZY7IOT374BG3K3CFO32NR}

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	2026-05-18T03:14:52.002547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3db8bde71f43a7bff026dab622bb7a6c68aa42068e1758e6dd2e5b0d062ec01b

Aliases

arxiv: 1306.6917 · arxiv_version: 1306.6917v1 · doi: 10.48550/arxiv.1306.6917 · pith_short_12: HW4L3ZY7IOT3 · pith_short_16: HW4L3ZY7IOT374BG · pith_short_8: HW4L3ZY7

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/HW4L3ZY7IOT374BG3K3CFO32NR \
  | 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: 3db8bde71f43a7bff026dab622bb7a6c68aa42068e1758e6dd2e5b0d062ec01b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4fe690c8bbee9a2a1f18eceb925b951ef1a059e4121603eef81f9ce8c27ac86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-28T18:05:38Z",
    "title_canon_sha256": "9896bc7562ebe5019274d231fa0bc52abd5ec3ac2a09e3629b95e9a93f814d24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.6917",
    "kind": "arxiv",
    "version": 1
  }
}