Pith Number

pith:FMXQIH3O

pith:2013:FMXQIH3OFUH22YVTCJGM3SWEAO

not attested not anchored not stored refs pending

Design of light concentrators for Cherenkov telescope observatories

(2) LLR, (3) IRAP, (4) APC Univ Paris 7, B. Kh\'elifi (2, F. H\'enault (1), France, France), Grenoble, J.F. Olive (3), J. Knodlseder (3), L. Jocou (1), M. Punch (4) ((1) IPAG, now 4), Palaiseau, Paris, P. Jean (3), P. Manigot (2), P.O. Petrucci (1), S. Hormigos (2), Toulouse

arxiv:1309.4252 v2 · 2013-09-17 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FMXQIH3OFUH22YVTCJGM3SWEAO}

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	2026-05-18T01:47:36.761447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b2f041f6e2d0fad62b3124ccdcac40395d24b9970d815b7640ae07effe76dd1

Aliases

arxiv: 1309.4252 · arxiv_version: 1309.4252v2 · doi: 10.48550/arxiv.1309.4252 · pith_short_12: FMXQIH3OFUH2 · pith_short_16: FMXQIH3OFUH22YVT · pith_short_8: FMXQIH3O

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/FMXQIH3OFUH22YVTCJGM3SWEAO \
  | 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: 2b2f041f6e2d0fad62b3124ccdcac40395d24b9970d815b7640ae07effe76dd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9732832ec370c3c549b5061c3fc4b8583d2af8e79e6263fdb10ae6d5b470d73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-09-17T10:37:40Z",
    "title_canon_sha256": "63cee301fcbb6f7080f4da96dac86dde52481385c20fbe8857dc216851c8e6ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4252",
    "kind": "arxiv",
    "version": 2
  }
}