pith. sign in
Pith Number

pith:AH3LTZXD

pith:2015:AH3LTZXDX67CB62YHC47JKBGRC
not attested not anchored not stored refs pending

Gamma-ray and optical oscillations in the blazar PKS 0537-441

Aldo Treves, Angela Sandrinelli, Stefano Covino

arxiv:1512.08801 v1 · 2015-12-29 · astro-ph.GA · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AH3LTZXDX67CB62YHC47JKBGRC}

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 2026-05-18T01:18:38.814065Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

01f6b9e6e3bfbe20fb5838b9f4a826889eb763c7704e29f8f63a8b66290f2101

Aliases

arxiv: 1512.08801 · arxiv_version: 1512.08801v1 · doi: 10.48550/arxiv.1512.08801 · pith_short_12: AH3LTZXDX67C · pith_short_16: AH3LTZXDX67CB62Y · pith_short_8: AH3LTZXD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AH3LTZXDX67CB62YHC47JKBGRC \
  | 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: 01f6b9e6e3bfbe20fb5838b9f4a826889eb763c7704e29f8f63a8b66290f2101
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "17d4b700550f50ab4265c0a790946638e7166af2a59061fb766dbc20a9d12519",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-29T21:47:49Z",
    "title_canon_sha256": "2e9edccb5cdab494dd9ea074a5e9b772283d8d824469f8cc743574f34d62d87b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08801",
    "kind": "arxiv",
    "version": 1
  }
}