Pith Number

pith:BSFHMWCL

pith:2019:BSFHMWCLSO75FF7DVH6E567XYT

not attested not anchored not stored refs pending

Astrophotonic Spectrographs

Mario Dagenais, Pradip Gatkine, Sylvain Veilleux

arxiv:1905.13238 v1 · 2019-05-30 · astro-ph.IM · physics.ins-det · physics.optics

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-17T23:44:37.239644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c8a76584b93bfd297e3a9fc4efbf7c4fa025a25fdb7ec258f33d05df3035ebb

Aliases

arxiv: 1905.13238 · arxiv_version: 1905.13238v1 · doi: 10.48550/arxiv.1905.13238

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/BSFHMWCLSO75FF7DVH6E567XYT \
  | 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: 0c8a76584b93bfd297e3a9fc4efbf7c4fa025a25fdb7ec258f33d05df3035ebb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c06af06879cef018f267e17287c195410c845d98904ad3439470cfb1922856d",
    "cross_cats_sorted": [
      "physics.ins-det",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-05-30T18:00:21Z",
    "title_canon_sha256": "e2e4d6d27b3352de17de6c5931ee298e642839ee9b6cda5093d19b8c1a9ffbe8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13238",
    "kind": "arxiv",
    "version": 1
  }
}