pith. sign in
Pith Number

pith:4GJRL3N4

pith:2016:4GJRL3N4GQNKUOTWF27DM2OA62
not attested not anchored not stored refs pending

ESpeRo: Echelle Spectrograph Rozhen

Faig Musaev, Grigor Nikolov, Haralambi Markov, Ilko Milushev, Krzysztof Kami\'nski, Maya Belcheva, Mirela Napetova, Pencho Markishki, Plamen Nikolov, Rumen Bogdanovski, Tanyu Bonev, Tihomir Tenev, Toma Tomov, Wojciech Dimitrov

arxiv:1612.07226 v1 · 2016-12-21 · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4GJRL3N4GQNKUOTWF27DM2OA62}

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 2026-05-18T00:54:14.418635Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e19315edbc341aaa3a762ebe3669c0f6848ba9130053f782fe7b797f98e61e30

Aliases

arxiv: 1612.07226 · arxiv_version: 1612.07226v1 · doi: 10.48550/arxiv.1612.07226 · pith_short_12: 4GJRL3N4GQNK · pith_short_16: 4GJRL3N4GQNKUOTW · pith_short_8: 4GJRL3N4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4GJRL3N4GQNKUOTWF27DM2OA62 \
  | 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: e19315edbc341aaa3a762ebe3669c0f6848ba9130053f782fe7b797f98e61e30
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b185de2d73d2c95c5f0f701d8b11876e53537b5af4284b5a71f9ac3cb3c74b21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-12-21T16:41:34Z",
    "title_canon_sha256": "1d0749e07481dee783521bd0f86c324440a0dba2c627dddd6b56f981c1934e9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07226",
    "kind": "arxiv",
    "version": 1
  }
}