Pith Number

pith:CDRF23LR

pith:2021:CDRF23LRJ6T4XHBBVM3C4V7GKM

not attested not anchored not stored refs pending

NICER, NuSTAR, and Swift follow-up observations of the $\gamma$-ray flaring blazar BL Lacertae in 2020 August-October

Filippo D'Ammando (INAF-IRA Bologna)

arxiv:2107.05660 v3 · 2021-07-12 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CDRF23LRJ6T4XHBBVM3C4V7GKM}

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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.

Cited by

1 paper in Pith

BL Lacertae under the Flare of 2024: Probing Temporal and Spectral Dynamics

Receipt and verification

First computed	2026-07-05T03:30:13.854979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10e25d6d714fa7cb9c21ab362e57e6531f3aa90f2db9d8e5cf5ed07d365c5e05

Aliases

arxiv: 2107.05660 · arxiv_version: 2107.05660v3 · doi: 10.48550/arxiv.2107.05660 · pith_short_12: CDRF23LRJ6T4 · pith_short_16: CDRF23LRJ6T4XHBB · pith_short_8: CDRF23LR

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/CDRF23LRJ6T4XHBBVM3C4V7GKM \
  | 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: 10e25d6d714fa7cb9c21ab362e57e6531f3aa90f2db9d8e5cf5ed07d365c5e05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3baaff003f9a7ddb5ea74372cad373757ce85c4d33dc75e85c3dd68f36407e76",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-07-12T18:03:16Z",
    "title_canon_sha256": "332a6a0e13b2a42f28e179c4f55a325129adf240441ccd8df52c0e3be65bd855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.05660",
    "kind": "arxiv",
    "version": 3
  }
}