Pith Number

pith:CJ64IL7N

pith:2017:CJ64IL7N5LOIXGPJX5UWKYNESP

not attested not anchored not stored refs pending

Multi-wavelenth monitoring of the changing-look AGN NGC 2617 during state changes

A.M.Tatarnikov, C.M.Gaskell, D.A.H.Buckley, D.Kasper, E.S.Gorbovskoy, H.Levato, Kh.M.Mikailov, K.L.Malanchev, M.A.Burlak, M.B.Brotherton, M.Serra-Ricart, N.A.Huseynov, N.I.Shatsky, P.Du, R.Podesta, R.Rebolo, S.S.Tsygankov, V.G.Metlov, V.L.Oknyansky, V.M.Lipunov, X.Chen

arxiv:1711.02631 v2 · 2017-11-07 · 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{CJ64IL7N5LOIXGPJX5UWKYNESP}

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	2026-07-05T02:58:32.586447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

127dc42fedeadc8b99e9bf696561a493cdde60949bfd7a0560d03f93535c9579

Aliases

arxiv: 1711.02631 · arxiv_version: 1711.02631v2 · doi: 10.48550/arxiv.1711.02631 · pith_short_12: CJ64IL7N5LOI · pith_short_16: CJ64IL7N5LOIXGPJ · pith_short_8: CJ64IL7N

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/CJ64IL7N5LOIXGPJX5UWKYNESP \
  | 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: 127dc42fedeadc8b99e9bf696561a493cdde60949bfd7a0560d03f93535c9579

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67ed269f02ecd729eb25d080c414b5daf27c0227234c27ac62dd5418f51a5080",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-07T17:49:43Z",
    "title_canon_sha256": "97591f79c7b19db8751383ed1e007093078117ea860f564656f4044716512c21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02631",
    "kind": "arxiv",
    "version": 2
  }
}