Pith Number

pith:6D7UD2YE

pith:2018:6D7UD2YEVWAMYBS6EEHI55TJXP

not attested not anchored not stored refs pending

Effelsberg Monitoring of a Sample of RadioAstron Blazars: Analysis of Intra-Day Variability

Alex Kraus, Emmanouil Angelakis, Hayley Bignall, J. Anton Zensus, Jun Liu, Kirill V. Sokolovsky, Thomas P. Krichbaum, Xiang Liu, Yuri Y. Kovalev

arxiv:1804.09289 v1 · 2018-04-24 · 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{6D7UD2YEVWAMYBS6EEHI55TJXP}

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	2026-05-18T00:17:32.239859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0ff41eb04ad80cc065e210e8ef669bbe74c30c3045213881381fe5896733e74

Aliases

arxiv: 1804.09289 · arxiv_version: 1804.09289v1 · doi: 10.48550/arxiv.1804.09289 · pith_short_12: 6D7UD2YEVWAM · pith_short_16: 6D7UD2YEVWAMYBS6 · pith_short_8: 6D7UD2YE

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/6D7UD2YEVWAMYBS6EEHI55TJXP \
  | 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: f0ff41eb04ad80cc065e210e8ef669bbe74c30c3045213881381fe5896733e74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf5cdc6cb67c8abb51f83bd793b55bd21fc13042eb8d8456e03dc6038563f714",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-24T23:09:20Z",
    "title_canon_sha256": "c7f7565302ad3e57f4bae71aab54078c2b75376e4b5f1c5fef0e76b1c80d2f6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09289",
    "kind": "arxiv",
    "version": 1
  }
}