Pith Number

pith:SYQZITXQ

pith:2008:SYQZITXQZTLAYN6G4CY553T65H

not attested not anchored not stored refs pending

Traversable wormholes from surgically modified Schwarzschild spacetimes

Matt Visser (Victoria University of Wellington)

arxiv:0809.0927 v1 · 2008-09-04 · 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{SYQZITXQZTLAYN6G4CY553T65H}

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.

Cited by

7 papers in Pith

On relativistic observables in black bounce spacetimes

Thermodynamics of thin-shell wormholes

Linearized stability of T-duality quantum-inspired thin-shell wormholes

Reflectionless and echo modes in asymmetric Damour-Solodukhin wormholes

Bulk-cone singularities and echoes from AdS exotic compact objects

Receipt and verification

First computed	2026-07-04T15:31:59.802081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9621944ef0ccd60c37c6e0b1deee7ee9c48f5582ce48b799d594cde89f72531c

Aliases

arxiv: 0809.0927 · arxiv_version: 0809.0927v1 · doi: 10.48550/arxiv.0809.0927 · pith_short_12: SYQZITXQZTLA · pith_short_16: SYQZITXQZTLAYN6G · pith_short_8: SYQZITXQ

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/SYQZITXQZTLAYN6G4CY553T65H \
  | 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: 9621944ef0ccd60c37c6e0b1deee7ee9c48f5582ce48b799d594cde89f72531c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a0280af86022858122f28a2095a3bc80ef4309690c8c1c30696f7a8362c008e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-09-04T22:35:09Z",
    "title_canon_sha256": "6fca4b55331c7cd593126fe7575552aa224b35bac475199fa44dea0cdc357cb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0927",
    "kind": "arxiv",
    "version": 1
  }
}