Pith Number

pith:KJRM2ZML

pith:2015:KJRM2ZMLWD5KCM4V7UBHSCC5TY

not attested not anchored not stored refs pending

Looking for the least luminous BL Lac objects

Alessandro Capetti (1) Claudia M. Raiteri (1) ((1) INAF - Osservatorio Astronomico di Torino, Italy)

arxiv:1506.08043 v1 · 2015-06-26 · 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{KJRM2ZMLWD5KCM4V7UBHSCC5TY}

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	2026-05-18T01:37:48.200634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5262cd658bb0faa13395fd0279085d9e3a0201080522e861661ac152175e2640

Aliases

arxiv: 1506.08043 · arxiv_version: 1506.08043v1 · doi: 10.48550/arxiv.1506.08043 · pith_short_12: KJRM2ZMLWD5K · pith_short_16: KJRM2ZMLWD5KCM4V · pith_short_8: KJRM2ZML

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/KJRM2ZMLWD5KCM4V7UBHSCC5TY \
  | 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: 5262cd658bb0faa13395fd0279085d9e3a0201080522e861661ac152175e2640

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a98e7fb877f893d49c76282322226f40b39f970e0561d9ee226de95b9cc88fcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-26T12:34:47Z",
    "title_canon_sha256": "34a4b5446c16f5d4cc74629f112bfce7c4cf0fd666432fb29ee57cb08697ec0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08043",
    "kind": "arxiv",
    "version": 1
  }
}