Pith Number

pith:33CAY5J3

pith:2009:33CAY5J3JN7BAXWJJ6QCUK7QDF

not attested not anchored not stored refs pending

Lightlike Branes as Natural Candidates for Wormhole Throats

Alexander Kaganovich, Eduardo Guendelman, Emil Nissimov, Svetlana Pacheva

arxiv:0901.4443 v1 · 2009-01-28 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{33CAY5J3JN7BAXWJJ6QCUK7QDF}

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	2026-05-18T04:37:22.816331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dec40c753b4b7e105ec94fa02a2bf01973f050de2113b0750bddd6b56b258ec7

Aliases

arxiv: 0901.4443 · arxiv_version: 0901.4443v1 · doi: 10.48550/arxiv.0901.4443 · pith_short_12: 33CAY5J3JN7B · pith_short_16: 33CAY5J3JN7BAXWJ · pith_short_8: 33CAY5J3

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/33CAY5J3JN7BAXWJJ6QCUK7QDF \
  | 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: dec40c753b4b7e105ec94fa02a2bf01973f050de2113b0750bddd6b56b258ec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e4fe997725c1af6bcfcc17e6821cd8e6fc9b75d63ff10393c22960892a6697c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-01-28T11:57:16Z",
    "title_canon_sha256": "42bdc8b7b8cc38de100295586bfece2f9c3ba2b1e2dc01b60a3317724ad72eec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4443",
    "kind": "arxiv",
    "version": 1
  }
}