Pith Number

pith:KLQY22R2

pith:2015:KLQY22R2MIFS666UEG4WHIKSKW

not attested not anchored not stored refs pending

Optical spectroscopic observations of gamma-ray blazar candidates IV. Results of the 2014 follow-up campaign

A. Paggi (SAO-Harvard CfA), D. Milisavljevic (SAO-Harvard CfA), D. Stern (JPL-Caltech), F. Massaro (University of Turin, F. Ricci (University of Rome TRE, G. Tosti (University of Perugia), Howard A. Smith (SAO-Harvard CfA), M. Landoni (INAF-Osservatorio Astronomico di Brera), N. Masetti (INAF-IASF Bologna), R. D'Abrusco (SAO-Harvard CfA), SAO-Harvard CfA), Yale University)

arxiv:1503.05196 v1 · 2015-03-17 · 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{KLQY22R2MIFS666UEG4WHIKSKW}

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	2026-05-18T01:40:50.413697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52e18d6a3a620b2f7bd421b963a15255a59c426644ec2ad0324378cc553b7e02

Aliases

arxiv: 1503.05196 · arxiv_version: 1503.05196v1 · doi: 10.48550/arxiv.1503.05196 · pith_short_12: KLQY22R2MIFS · pith_short_16: KLQY22R2MIFS666U · pith_short_8: KLQY22R2

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/KLQY22R2MIFS666UEG4WHIKSKW \
  | 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: 52e18d6a3a620b2f7bd421b963a15255a59c426644ec2ad0324378cc553b7e02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac18ca4e01aa2e29c65d8def09c6386c8c16239352cb3fbc3cdac724ed492dcd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2015-03-17T20:00:16Z",
    "title_canon_sha256": "0f9975596b58c741fcc0c660b0dbd3994ed407f6500e06611fd693cabdcdfd4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05196",
    "kind": "arxiv",
    "version": 1
  }
}