pith. sign in
Pith Number

pith:WV7XZBZF

pith:2012:WV7XZBZF4KQ2PRFJWGUIDTTFMB
not attested not anchored not stored refs pending

Femto-lensing due to a Cosmic String

Chul-Moon Yoo, Daisuke Yamauchi, Keitaro Takahashi, Ryo Saito, Yuuiti Sendouda

arxiv:1209.0903 v1 · 2012-09-05 · astro-ph.CO · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WV7XZBZF4KQ2PRFJWGUIDTTFMB}

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 2026-05-18T01:12:19.166262Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b57f7c8725e2a1a7c4a9b1a881ce65607af7f8f97737a18a538315e5781a1d30

Aliases

arxiv: 1209.0903 · arxiv_version: 1209.0903v1 · doi: 10.48550/arxiv.1209.0903 · pith_short_12: WV7XZBZF4KQ2 · pith_short_16: WV7XZBZF4KQ2PRFJ · pith_short_8: WV7XZBZF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WV7XZBZF4KQ2PRFJWGUIDTTFMB \
  | 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: b57f7c8725e2a1a7c4a9b1a881ce65607af7f8f97737a18a538315e5781a1d30
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7c012697f88866970f37697c2fd1445314fd0dfb302f50229572270ff4fd0a22",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-05T09:25:07Z",
    "title_canon_sha256": "c53426d9cc5879b18574ae1e109fb29a567039623db6ea28ebfc54a02aea492f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0903",
    "kind": "arxiv",
    "version": 1
  }
}