Pith Number

pith:JJ73RBKD

pith:2012:JJ73RBKDMKZEQM3EQYYBYHAKWD

not attested not anchored not stored refs pending

A critical evaluation of PCA detection of polarized signatures using real stellar data

CNRS-Irap), Frederic Paletou (U. Toulouse, UPS-OMP

arxiv:1206.5139 v1 · 2012-06-22 · astro-ph.IM · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JJ73RBKDMKZEQM3EQYYBYHAKWD}

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	2026-05-18T01:56:43.251813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a7fb8854362b248336486301c1c0ab0c2cc59a863f47141a8a05d9980057c25

Aliases

arxiv: 1206.5139 · arxiv_version: 1206.5139v1 · doi: 10.48550/arxiv.1206.5139 · pith_short_12: JJ73RBKDMKZE · pith_short_16: JJ73RBKDMKZEQM3E · pith_short_8: JJ73RBKD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JJ73RBKDMKZEQM3EQYYBYHAKWD \
  | 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: 4a7fb8854362b248336486301c1c0ab0c2cc59a863f47141a8a05d9980057c25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8560c649192898a9311fd0a178edd0b8f3d59e375d5396b9e4aaca31e9a78b5e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-06-22T13:09:01Z",
    "title_canon_sha256": "36e88868b59b3ed231a4a7a5445e3f6b92c1af93af6afb0df349714040087298"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5139",
    "kind": "arxiv",
    "version": 1
  }
}