Pith Number

pith:FOSP3Z3Q

pith:2003:FOSP3Z3QAKHMWZK2DMSHEE4A34

not attested not anchored not stored refs pending

Traversable wormholes with arbitrarily small energy condition violations

Matt Visser (Victoria University of Wellington), Naresh Dadhich (IUCAA, Pune), Sayan Kar (Indian Institute of Technology)

arxiv:gr-qc/0301003 v2 · 2003-01-01 · 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{FOSP3Z3QAKHMWZK2DMSHEE4A34}

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

2 papers in Pith

Cosmic Strings as Dynamical Dark Energy: Novel Constraints

Energy conditions in static, spherically symmetric spacetimes and effective geometries

Receipt and verification

First computed	2026-05-18T04:18:14.236242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ba4fde770028ecb655a1b24721380df037c293bef81fe15018cf47d500a448e

Aliases

arxiv: gr-qc/0301003 · arxiv_version: gr-qc/0301003v2 · doi: 10.48550/arxiv.gr-qc/0301003 · pith_short_12: FOSP3Z3QAKHM · pith_short_16: FOSP3Z3QAKHMWZK2 · pith_short_8: FOSP3Z3Q

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/FOSP3Z3QAKHMWZK2DMSHEE4A34 \
  | 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: 2ba4fde770028ecb655a1b24721380df037c293bef81fe15018cf47d500a448e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35a2013d7b5004715fbe030013b7f113506f2edc7ccfa21b07d67c10929ffa17",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-01-01T19:44:42Z",
    "title_canon_sha256": "6d909f87f84c581d0358995cf22454d23205f3ca9b6b8f27487fee3461b50824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0301003",
    "kind": "arxiv",
    "version": 2
  }
}