pith. sign in
Pith Number

pith:PQRSX6WC

pith:2014:PQRSX6WCLASOKDBFB6OYSGXFVP
not attested not anchored not stored refs pending

A new analysis of quasar polarisation alignments

Jean-Rene Cudell, Vincent Pelgrims

arxiv:1402.4313 v3 · 2014-02-18 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PQRSX6WCLASOKDBFB6OYSGXFVP}

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 2026-05-18T02:49:45.588346Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7c232bfac25824e50c250f9d891ae5abd1e14c74da2389af3ce1860ef25a6821

Aliases

arxiv: 1402.4313 · arxiv_version: 1402.4313v3 · doi: 10.48550/arxiv.1402.4313 · pith_short_12: PQRSX6WCLASO · pith_short_16: PQRSX6WCLASOKDBF · pith_short_8: PQRSX6WC
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PQRSX6WCLASOKDBFB6OYSGXFVP \
  | 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: 7c232bfac25824e50c250f9d891ae5abd1e14c74da2389af3ce1860ef25a6821
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "adf89f37ba2d6ac57431f89bacc9b640dc4b4f1948bc67367cd620b9134226f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-02-18T12:39:35Z",
    "title_canon_sha256": "83edd2f4499f04993ce0001e52b35713f854ff851addf602bc6d6c3edde59a90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4313",
    "kind": "arxiv",
    "version": 3
  }
}