Pith Number

pith:BZF6YT3O

pith:2019:BZF6YT3O2W3SCLCTSX2CTS6UUH

not attested not anchored not stored refs pending

Optical spectroscopic observations of gamma-ray blazar candidates VIII: the 2016-2017 follow up campaign carried out at SPM, NOT, KPNO and SOAR telescopes

\'Alvarez Crespo, A. (UniTO, Chavushyan, CONICET-UNLP, D'Abrusco, D. (Purdue), E. J. (UniPL, E. (UNAM), F. (SAO, F. (UniRoma TRE), F. (UniTO, G. (UniPG), H. A. (INAOE, H. A. (SAO), INAF/IASF Bo, INAF OATo), INFN-TO, INFN-TO), Jim\'enez-Bail\'on, La Franca, Landoni, Marchesini, Masetti, Massaro, Milisavljevic, M. (INAF Brera), M. Negro (UniTO, N. (INAF/IASF Bo, N. (UniTO, Paggi, Pe\~na-Herazo, Pontificia Universidad Cat\'olica de Chile), Ricci, R. (SAO), Smith, Tosti, UniRoma TRE, UniTo, Universidad Andr\'es Bello), V.(INAOE)

arxiv:1903.10011 v1 · 2019-03-24 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BZF6YT3O2W3SCLCTSX2CTS6UUH}

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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	2026-05-17T23:50:34.791671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e4bec4f6ed5b7212c5395f429cbd4a1d9eb495a52392278a0d8a0e3fea385ea

Aliases

arxiv: 1903.10011 · arxiv_version: 1903.10011v1 · doi: 10.48550/arxiv.1903.10011 · pith_short_12: BZF6YT3O2W3S · pith_short_16: BZF6YT3O2W3SCLCT · pith_short_8: BZF6YT3O

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/BZF6YT3O2W3SCLCTSX2CTS6UUH \
  | 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: 0e4bec4f6ed5b7212c5395f429cbd4a1d9eb495a52392278a0d8a0e3fea385ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70fc1b9158ac6b4d66f0c0745b7a5d8c779b16691a3b3cb64c81660670188e03",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-24T16:14:40Z",
    "title_canon_sha256": "73a0ee1f2c1c51ca73fb690ba98e0440e17789bf623b69c3dddd7bd2954055a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10011",
    "kind": "arxiv",
    "version": 1
  }
}