Pith Number

pith:WXGXWR2M

pith:2018:WXGXWR2MBB34OYZHJFM4AQLIFB

not attested not anchored not stored refs pending

Resolving the Host Galaxy of a Distant Blazar with LBT/LUCI1 + ARGOS

Diethard Peter, Emanuele Paolo Farina, Gilles Orban De Xivry, Gustavo Rahmer, Iskren Y. Georgiev, Jos\'e L. Borelli, Julian Ziegleder, Lorenzo Busoni, Marco Bonaglia, Martin Kulas, Matthias Rosensteiner, Peter Buschkamp, Roberto Decarli, Sebastian Rabien, Tomislav Terzi\'c, Tommaso Mazzoni, Wolfgang G\"assler

arxiv:1801.08157 v1 · 2018-01-24 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WXGXWR2MBB34OYZHJFM4AQLIFB}

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	2026-05-18T00:22:22.898461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5cd7b474c0877c763274959c04168286f02a6fd87d48e3affcfbaf82a5a3e59

Aliases

arxiv: 1801.08157 · arxiv_version: 1801.08157v1 · doi: 10.48550/arxiv.1801.08157 · pith_short_12: WXGXWR2MBB34 · pith_short_16: WXGXWR2MBB34OYZH · pith_short_8: WXGXWR2M

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/WXGXWR2MBB34OYZHJFM4AQLIFB \
  | 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: b5cd7b474c0877c763274959c04168286f02a6fd87d48e3affcfbaf82a5a3e59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db1c8cb4a373895210bef73627c5a1433a36c4cc05fe13340375bef5a40f6bde",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-24T19:09:23Z",
    "title_canon_sha256": "46ea1f78af30b6008a943736b4d78f3cc8b976fccb42072d1d3402d9f3135dac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08157",
    "kind": "arxiv",
    "version": 1
  }
}