Pith Number

pith:W7DXMHIW

pith:2010:W7DXMHIWULUWWSFUBNTFYAHEOM

not attested not anchored not stored refs pending

Development of five multifibre links for the OPTIMOS-EVE study for the E-ELT

Fanny Chemla, Fran\c{c}ois Hammer, Gerben Wulterkens, Hector Flores, Isabelle Guinouard, Jean-Michel Huet

arxiv:1009.1816 v1 · 2010-09-09 · 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{W7DXMHIWULUWWSFUBNTFYAHEOM}

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	2026-05-18T02:05:32.568292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7c7761d16a2e96b48b40b665c00e4730a4a549d9c1a6d92a68598acbff45262

Aliases

arxiv: 1009.1816 · arxiv_version: 1009.1816v1 · doi: 10.48550/arxiv.1009.1816 · pith_short_12: W7DXMHIWULUW · pith_short_16: W7DXMHIWULUWWSFU · pith_short_8: W7DXMHIW

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/W7DXMHIWULUWWSFUBNTFYAHEOM \
  | 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: b7c7761d16a2e96b48b40b665c00e4730a4a549d9c1a6d92a68598acbff45262

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75d1473ab6b59f96ebc31825a1793f94f229193922299c95d5a87aa760c66867",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-09-09T16:20:04Z",
    "title_canon_sha256": "5be5b363ee18e6943b13a6327626ba5d05b7614eecb2f51ef79a841b3aec30e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1816",
    "kind": "arxiv",
    "version": 1
  }
}