Pith Number

pith:BJF22GUN

pith:2016:BJF22GUNKBLVNCS6YDUPUOMRGE

not attested not anchored not stored refs pending

IC 3639 - A new bona fide Compton thick AGN unveiled by NuSTAR

A. Annuar, A. Masini, C. J. Hailey, C. Ricci, D. Alexander, D. Farrah, D. R. Ballantyne, D. Stern, F. A. Harrison, F. Bauer, F. E. Christensen, G. Risaliti, M. Brightman, M. Koss, Peter G. Boorman (University of Southampton), P. Gandhi (University of Southampton), S. E. Boggs, S. F. Hoenig, S. M. LaMassa, W. N. Brandt, W. W. Craig, W. W. Zhang

arxiv:1610.08997 v1 · 2016-10-27 · 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{BJF22GUNKBLVNCS6YDUPUOMRGE}

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	2026-05-18T00:53:58.028493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a4bad1a8d5057568a5ec0e8fa399131159d46f9ca1bd1c51eac509ace2ef78d

Aliases

arxiv: 1610.08997 · arxiv_version: 1610.08997v1 · doi: 10.48550/arxiv.1610.08997 · pith_short_12: BJF22GUNKBLV · pith_short_16: BJF22GUNKBLVNCS6 · pith_short_8: BJF22GUN

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/BJF22GUNKBLVNCS6YDUPUOMRGE \
  | 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: 0a4bad1a8d5057568a5ec0e8fa399131159d46f9ca1bd1c51eac509ace2ef78d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81690352ac27d10ab39d833b955d7cb255b084101fbfbed6d385d298518b7421",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-27T20:08:57Z",
    "title_canon_sha256": "26311db52cb16705cab3e58f523c8873cf8e9abc44cce2ae3a3e0915cc4eda7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08997",
    "kind": "arxiv",
    "version": 1
  }
}