pith. sign in
Pith Number

pith:HITVCH3E

pith:2018:HITVCH3EMXHLPRYIA2UVYYHZ5L
not attested not anchored not stored refs pending

An analytical approach to the CMB Polarization in a Spatially Closed background

Amir H. Abbassi, Pedram Niazy

arxiv:1801.02980 v1 · 2018-01-08 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HITVCH3EMXHLPRYIA2UVYYHZ5L}

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 2026-05-18T00:26:21.830422Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3a27511f6465ceb7c70806a95c60f9eac098b1b68daaefdb381f7de5b79c7da9

Aliases

arxiv: 1801.02980 · arxiv_version: 1801.02980v1 · doi: 10.48550/arxiv.1801.02980 · pith_short_12: HITVCH3EMXHL · pith_short_16: HITVCH3EMXHLPRYI · pith_short_8: HITVCH3E
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HITVCH3EMXHLPRYIA2UVYYHZ5L \
  | 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: 3a27511f6465ceb7c70806a95c60f9eac098b1b68daaefdb381f7de5b79c7da9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4268ff487cbf21f6b7886f1e79bef52238b43385cc06345c880fd85167387a86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-01-08T17:54:02Z",
    "title_canon_sha256": "362d8dbb5abc8abdeb63fc5b516992c6dc93bb09211f7208757d30f034f4eda2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.02980",
    "kind": "arxiv",
    "version": 1
  }
}