Pith Number

pith:A2JI2IYG

pith:2016:A2JI2IYGMUW7SFVSWQEPNNTIMB

not attested not anchored not stored refs pending

X-ray flux variability of active galactic nuclei observed using NuSTAR

C. S. Stalin, Priyanka Rani, Suvendu Rakshit

arxiv:1612.02768 v2 · 2016-12-08 · astro-ph.GA · 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{A2JI2IYGMUW7SFVSWQEPNNTIMB}

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	2026-05-18T00:51:41.633123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06928d2306652df916b2b408f6b668605bbfbfff619511a60ca1daa0b68549f4

Aliases

arxiv: 1612.02768 · arxiv_version: 1612.02768v2 · doi: 10.48550/arxiv.1612.02768 · pith_short_12: A2JI2IYGMUW7 · pith_short_16: A2JI2IYGMUW7SFVS · pith_short_8: A2JI2IYG

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/A2JI2IYGMUW7SFVSWQEPNNTIMB \
  | 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: 06928d2306652df916b2b408f6b668605bbfbfff619511a60ca1daa0b68549f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41e5931984ffb8d071a79e5a1d66872d5db0f5c73c3dbec960428fef4ed686ea",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-08T18:49:39Z",
    "title_canon_sha256": "4616cf488f7916b421acaedf0fcff22aa05a4e484fb7eff9c14a95f1cf3e6c35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02768",
    "kind": "arxiv",
    "version": 2
  }
}