Pith Number

pith:DGYNQBW7

pith:2020:DGYNQBW7OF2SO342OFS5NDPKUP

not attested not anchored not stored refs pending

Dynamic thin-shell black-bounce traversable wormholes

Alex Simpson (Victoria University of Wellington), Francisco S. N. Lobo (Universidade de Lisboa), Matt Visser (Victoria University of Wellington)

arxiv:2003.09419 v3 · 2020-03-23 · 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{DGYNQBW7OF2SO342OFS5NDPKUP}

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	2026-07-05T01:11:46.095991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19b0d806df7175276f9a7165d68deaa3cc691b0fc295de07e9d7f3fbdc8502f3

Aliases

arxiv: 2003.09419 · arxiv_version: 2003.09419v3 · doi: 10.48550/arxiv.2003.09419 · pith_short_12: DGYNQBW7OF2S · pith_short_16: DGYNQBW7OF2SO342 · pith_short_8: DGYNQBW7

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/DGYNQBW7OF2SO342OFS5NDPKUP \
  | 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: 19b0d806df7175276f9a7165d68deaa3cc691b0fc295de07e9d7f3fbdc8502f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1929cea3499b7d7b6912514ce4b90279bed56b4599a2eeaa301794fb094a52a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-03-23T03:24:18Z",
    "title_canon_sha256": "9ea6de052a97cc6f0f2994ee5b282214a548afa1cd7a5efd0d93168a5de3a5ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09419",
    "kind": "arxiv",
    "version": 3
  }
}