Pith Number

pith:ZC7U6A2P

pith:2018:ZC7U6A2PDHEYODT4HIAOOA763C

not attested not anchored not stored refs pending

X-ray Flux and Spectral Variability of Six TeV Blazars with \textit{NuSTAR}

Alok C. Gupta, Ashwani Pandey, Paul J. Wiita

arxiv:1804.10126 v1 · 2018-04-26 · 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{ZC7U6A2PDHEYODT4HIAOOA763C}

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	2026-05-18T00:14:07.661591Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8bf4f034f19c9870e7c3a00e703fed88fff8289ba08188d9cd335406bd76e7a

Aliases

arxiv: 1804.10126 · arxiv_version: 1804.10126v1 · doi: 10.48550/arxiv.1804.10126 · pith_short_12: ZC7U6A2PDHEY · pith_short_16: ZC7U6A2PDHEYODT4 · pith_short_8: ZC7U6A2P

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/ZC7U6A2PDHEYODT4HIAOOA763C \
  | 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: c8bf4f034f19c9870e7c3a00e703fed88fff8289ba08188d9cd335406bd76e7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7762c84db9b1ca329987f2f72603032b4a8feb0291858d022b5f1654c159adda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-26T15:58:24Z",
    "title_canon_sha256": "21bb698dd09f48dfbf8150b67d0a20f40cc009c372f7ebe315f1049f045e98a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10126",
    "kind": "arxiv",
    "version": 1
  }
}