Pith Number

pith:KTIVHPRQ

pith:2018:KTIVHPRQMTDRVM57IY5Q2RDHFA

not attested not anchored not stored refs pending

A Serendipitous Hard X-ray Detection of the Blazar LBQS 1319+0039

C. Ricci, E. Treister, F. E. Bauer, G. C. Privon, M. A. Perez-Torres, R. Herrero-Illana, S. Aalto

arxiv:1809.10118 v1 · 2018-09-26 · 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{KTIVHPRQMTDRVM57IY5Q2RDHFA}

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	2026-05-18T00:04:42.451747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54d153be3064c71ab3bf463b0d4467283712bd0b76f3c399ff4605a56d7ccecd

Aliases

arxiv: 1809.10118 · arxiv_version: 1809.10118v1 · doi: 10.48550/arxiv.1809.10118 · pith_short_12: KTIVHPRQMTDR · pith_short_16: KTIVHPRQMTDRVM57 · pith_short_8: KTIVHPRQ

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/KTIVHPRQMTDRVM57IY5Q2RDHFA \
  | 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: 54d153be3064c71ab3bf463b0d4467283712bd0b76f3c399ff4605a56d7ccecd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61a2853ff37725f29dc79f75442d55ff4b59205129590e2e099411edfe537d90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-09-26T17:04:15Z",
    "title_canon_sha256": "e4abf2cbf3635741f4b4e681e2bed1fb0c894558dc1b6c9ef5c7682eb0787d0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10118",
    "kind": "arxiv",
    "version": 1
  }
}