pith. sign in
Pith Number

pith:GKA3DNXA

pith:2017:GKA3DNXAA6HVMLDVZPRBIY4BN6
not attested not anchored not stored refs pending

Multi-epoch intra-night optical monitoring of 8 radio-quiet BL Lac candidates

C. S. Stalin, Gopal-Krishna, H. Chand, P. Kumar, P. Petitjean, R. Srianand

arxiv:1706.04438 v1 · 2017-06-08 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GKA3DNXAA6HVMLDVZPRBIY4BN6}

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 2026-05-18T00:34:47.870380Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3281b1b6e0078f562c75cbe21463816f8d18ad800ac15daeaaeb2e77c7cd712d

Aliases

arxiv: 1706.04438 · arxiv_version: 1706.04438v1 · doi: 10.48550/arxiv.1706.04438 · pith_short_12: GKA3DNXAA6HV · pith_short_16: GKA3DNXAA6HVMLDV · pith_short_8: GKA3DNXA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GKA3DNXAA6HVMLDVZPRBIY4BN6 \
  | 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: 3281b1b6e0078f562c75cbe21463816f8d18ad800ac15daeaaeb2e77c7cd712d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9ff8127e683e976f2d183c243fce1b4a55d4b9c2552012c0c986cd36db440b92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-06-08T11:30:26Z",
    "title_canon_sha256": "5525e87111f69bcc0a11b5482b571e31e591b66f07a94d1a75fcfe13af12fdc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.04438",
    "kind": "arxiv",
    "version": 1
  }
}