Pith Number

pith:2TEATQ4D

pith:2018:2TEATQ4D4FE4TMIG65R6YJ4437

not attested not anchored not stored refs pending

The extreme blazar AO 0235+164 as seen by extensive ground and space radio observations

A. Lahteenmaki, A.M. Kutkin, A.P. Lobanov, A.V. Ipatov, H.D. Aller, I.N. Pashchenko, K.V. Sokolovsky, L.I. Gurvits, M.F. Aller, M.M. Lisakov, M. Tornikoski, P.A. Voytsik, Y.Y. Kovalev

arxiv:1801.04892 v1 · 2018-01-15 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2TEATQ4D4FE4TMIG65R6YJ4437}

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	2026-05-18T00:14:00.441477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4c809c383e149c9b106f763ec279cdfc1164e89a51e7db8037815f0ed7e99e8

Aliases

arxiv: 1801.04892 · arxiv_version: 1801.04892v1 · doi: 10.48550/arxiv.1801.04892 · pith_short_12: 2TEATQ4D4FE4 · pith_short_16: 2TEATQ4D4FE4TMIG · pith_short_8: 2TEATQ4D

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/2TEATQ4D4FE4TMIG65R6YJ4437 \
  | 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: d4c809c383e149c9b106f763ec279cdfc1164e89a51e7db8037815f0ed7e99e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "514a4ed334d1342935346ccb6562291c4c6423cc19fdd040212d2ee1b9f4bddb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-15T18:02:01Z",
    "title_canon_sha256": "58973235a63b449ceef847d1656b529b0c46a978924b99410ceb9c927871a431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04892",
    "kind": "arxiv",
    "version": 1
  }
}