Pith Number

pith:FRESKYUY

pith:2010:FRESKYUY35SJXZPYNZEH2NV7KJ

not attested not anchored not stored refs pending

A new limit on the light speed isotropy from the GRAAL experiment at the ESRF

A. D'Angelo, A. Fantini, A. Giusa, A. Kashin, A. Lapik, A. Lleres, A. Margarian, A. Turinge, B. Girolami, C. Schaerf, D. Franco, D. Moricciani, D. Rebreyend, F. Ghio, F. Mammoliti, G. Gervino, G. Giardina, G. Mandaglio, G. Russo, H.G. Khachatryan, J.-P. Bocquet, M. Beretta, M.-C. Sutera, M.-L. Sperduto, M. Manganaro, N. Rudnev, P. Levi Sandri, R. Di Salvo, R. Messi, S. Knyazyan, S. Mehrabyan, V. Bellini, V.G.Gurzadyan, V. Nedorezov, V. Vegna

arxiv:1004.2867 v1 · 2010-04-16 · physics.acc-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRESKYUY35SJXZPYNZEH2NV7KJ}

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	2026-05-18T00:01:01.124853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c49256298df649be5f86e487d36bf5261a773f7744725f8922ec7bb2a8501f1

Aliases

arxiv: 1004.2867 · arxiv_version: 1004.2867v1 · doi: 10.48550/arxiv.1004.2867 · pith_short_12: FRESKYUY35SJ · pith_short_16: FRESKYUY35SJXZPY · pith_short_8: FRESKYUY

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/FRESKYUY35SJXZPYNZEH2NV7KJ \
  | 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: 2c49256298df649be5f86e487d36bf5261a773f7744725f8922ec7bb2a8501f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21334244c627c9d9c7f2d8fe2321b92692515bae001ab3a5e4df59dff818c00d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2010-04-16T15:36:24Z",
    "title_canon_sha256": "6e20c9a2757be0cf41c30073b3e379b7ea68b92c5a9030ecc9e97c18f664985d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2867",
    "kind": "arxiv",
    "version": 1
  }
}