Pith Number

pith:6TO25Y5T

pith:2012:6TO25Y5TNKX6PHNOT56CYOSXRS

not attested not anchored not stored refs pending

SOPHIE+: First results of an octagonal-section fiber for high-precision radial velocity measurements

A. Santerne, F. Bouchy, G. H\'ebrard, I. Boisse, L. Arnold, R.F. Diaz, S. Perruchot, X. Delfosse

arxiv:1211.4785 v1 · 2012-11-20 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6TO25Y5TNKX6PHNOT56CYOSXRS}

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	2026-05-18T01:53:02.463740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4ddaee3b36aafe79dae9f7c2c3a578c8b1f12451978948fb0206291453cc261

Aliases

arxiv: 1211.4785 · arxiv_version: 1211.4785v1 · doi: 10.48550/arxiv.1211.4785 · pith_short_12: 6TO25Y5TNKX6 · pith_short_16: 6TO25Y5TNKX6PHNO · pith_short_8: 6TO25Y5T

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/6TO25Y5TNKX6PHNOT56CYOSXRS \
  | 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: f4ddaee3b36aafe79dae9f7c2c3a578c8b1f12451978948fb0206291453cc261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45d7217c29a798ea3a18100912f33ffc31a3ccce8aa33431c3b26e1bebf8c08c",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-11-20T15:50:32Z",
    "title_canon_sha256": "de5fad7dde71322b7a1d0e7c9b62080feaa9717417df22734dec35c203ce57e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4785",
    "kind": "arxiv",
    "version": 1
  }
}