Pith. sign in
Pith Number

pith:OBNSXAEM

pith:2021:OBNSXAEMWBFVL5QFNPGTSBPBXB
not attested not anchored not stored refs pending

Probing cosmic strings by reconstructing polarization rotation of the cosmic microwave background

2) ((1) University of California, (2) Lawrence Berkeley National Laboratory), Berkeley, Liang Dai (1), Simone Ferraro (1, Weichen Winston Yin (1)

arxiv:2111.12741 v2 · 2021-11-24 · astro-ph.CO · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OBNSXAEMWBFVL5QFNPGTSBPBXB}

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

1 paper in Pith

Receipt and verification
First computed 2026-07-05T06:06:52.448529Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

705b2b808cb04b55f6056bcd3905e1b876c0b4e5bb4d60c85c78bbd88ce7b618

Aliases

arxiv: 2111.12741 · arxiv_version: 2111.12741v2 · doi: 10.48550/arxiv.2111.12741 · pith_short_12: OBNSXAEMWBFV · pith_short_16: OBNSXAEMWBFVL5QF · pith_short_8: OBNSXAEM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OBNSXAEMWBFVL5QFNPGTSBPBXB \
  | 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: 705b2b808cb04b55f6056bcd3905e1b876c0b4e5bb4d60c85c78bbd88ce7b618
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8825913535bb8c05a3fe65b2f0745b0d7f39ea8890df2e2793114c81da935921",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-11-24T19:02:42Z",
    "title_canon_sha256": "c96f8f8c66a5171c1ac76e5524a7f97184dc18046a8b9fb94d9ac28226cc3b25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.12741",
    "kind": "arxiv",
    "version": 2
  }
}