Pith Number

pith:2VQRSWAH

pith:2018:2VQRSWAHUWFCI6YN4J5LM4SBWJ

not attested not anchored not stored refs pending

On the linear instability of the Ellis-Bronnikov-Morris-Thorne wormhole

Francesca Pirotta, Francesco Cremona, Livio Pizzocchero (Universita' di Milano)

arxiv:1805.02602 v3 · 2018-05-07 · 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{2VQRSWAHUWFCI6YN4J5LM4SBWJ}

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	2026-05-17T23:55:58.846106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d561195807a58a247b0de27ab67241b25a56e65dbc4dc1645a3353b5673d4e67

Aliases

arxiv: 1805.02602 · arxiv_version: 1805.02602v3 · doi: 10.48550/arxiv.1805.02602 · pith_short_12: 2VQRSWAHUWFC · pith_short_16: 2VQRSWAHUWFCI6YN · pith_short_8: 2VQRSWAH

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/2VQRSWAHUWFCI6YN4J5LM4SBWJ \
  | 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: d561195807a58a247b0de27ab67241b25a56e65dbc4dc1645a3353b5673d4e67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cf0a123bdc515d6bd5dcd487aa83c6589968cf700e04e47f25c942d570bcdc1",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-05-07T16:32:19Z",
    "title_canon_sha256": "3d08f48fadb0d476c15f9a71c6f81a14f46cee01b50e16b2ec566ccb71f51140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02602",
    "kind": "arxiv",
    "version": 3
  }
}