Pith Number

pith:YVWQP37M

pith:2019:YVWQP37MOX2YGIOO4J2GF2EU4O

not attested not anchored not stored refs pending

Progress in Multiwavelength and Multi-Messenger Observations of Blazars and Theoretical Challenges

Markus Boettcher (North-West University, Potchefstroom, South Africa)

arxiv:1901.04178 v2 · 2019-01-14 · 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{YVWQP37MOX2YGIOO4J2GF2EU4O}

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.

Cited by

1 paper in Pith

Millimeter-wave Monitoring of Active Galactic Nuclei with the Africa Millimetre Telescope

Receipt and verification

First computed	2026-05-17T23:56:22.598449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c56d07efec75f58321cee27462e894e3b46969d882e2fc2ec3ffded00b6812e6

Aliases

arxiv: 1901.04178 · arxiv_version: 1901.04178v2 · doi: 10.48550/arxiv.1901.04178 · pith_short_12: YVWQP37MOX2Y · pith_short_16: YVWQP37MOX2YGIOO · pith_short_8: YVWQP37M

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/YVWQP37MOX2YGIOO4J2GF2EU4O \
  | 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: c56d07efec75f58321cee27462e894e3b46969d882e2fc2ec3ffded00b6812e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50e0671b82ff757a5dc497c137ecebe730035eb48a3bae92e7a12c9f28f178a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-14T08:21:11Z",
    "title_canon_sha256": "868ecd35d0ad612afba68a423deb605fd6e21e02da51f155421b0ed0ea160ddc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04178",
    "kind": "arxiv",
    "version": 2
  }
}