Pith Number

pith:FBBG2OV7

pith:2015:FBBG2OV7FX7XDNLCZLJ2DURNF2

not attested not anchored not stored refs pending

Probing the constancy of the speed of light with future galaxy survey: the case of SKA and Euclid

Mariusz P. Dabrowski, Ruth Lazkoz, Vincenzo Salzano

arxiv:1511.04732 v3 · 2015-11-15 · 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{FBBG2OV7FX7XDNLCZLJ2DURNF2}

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	2026-05-18T01:01:42.790565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28426d3abf2dff71b562cad3a1d22d2ea44c23f573da237a2db07690afa13f0f

Aliases

arxiv: 1511.04732 · arxiv_version: 1511.04732v3 · doi: 10.48550/arxiv.1511.04732 · pith_short_12: FBBG2OV7FX7X · pith_short_16: FBBG2OV7FX7XDNLC · pith_short_8: FBBG2OV7

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/FBBG2OV7FX7XDNLCZLJ2DURNF2 \
  | 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: 28426d3abf2dff71b562cad3a1d22d2ea44c23f573da237a2db07690afa13f0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de9708354c4d474781b2260804e151aebc1fa9cf48845de68d820edc55094cb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-11-15T17:21:43Z",
    "title_canon_sha256": "0f620f7b12dec1709579e8d84053e0943d22de5bb3df49110d0b73eda9696df2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.04732",
    "kind": "arxiv",
    "version": 3
  }
}