pith. sign in
Pith Number

pith:SJFQPY4D

pith:2012:SJFQPY4DNS7SLMCU2EESX3GELZ
not attested not anchored not stored refs pending

Searching for Stringy Topologies in the Cosmic Microwave Background

Assaf Ben-David, Ben Rathaus, Nissan Itzhaki

arxiv:1207.6218 v2 · 2012-07-26 · astro-ph.CO · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SJFQPY4DNS7SLMCU2EESX3GELZ}

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 2026-05-18T03:40:25.440929Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

924b07e3836cbf25b054d1092becc45e6719e1e29692c5bdf0dc6c9627f05346

Aliases

arxiv: 1207.6218 · arxiv_version: 1207.6218v2 · doi: 10.48550/arxiv.1207.6218 · pith_short_12: SJFQPY4DNS7S · pith_short_16: SJFQPY4DNS7SLMCU · pith_short_8: SJFQPY4D
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SJFQPY4DNS7SLMCU2EESX3GELZ \
  | 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: 924b07e3836cbf25b054d1092becc45e6719e1e29692c5bdf0dc6c9627f05346
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d90d6ca6315d3e12b342dd500d702c6a908fcee80ca7470ae2a0d5d19b9bc0da",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-07-26T09:42:10Z",
    "title_canon_sha256": "1e792a3ec6fd8fe45e752e7e9db36ba2e5e5f4bef29c6538b911561a405b6a15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6218",
    "kind": "arxiv",
    "version": 2
  }
}