Pith Number

pith:X2TKCOC4

pith:2016:X2TKCOC4J7EY33VHJLYBYXGDMN

not attested not anchored not stored refs pending

A low upper mass limit for the central black hole in the late-type galaxy NGC 4414

Davor Krajnovi\'c, Eric Emsellem, Glenn van de Ven, John Magorrian, Marc Sarzi, Martin A. Bourne, Michele Cappellari, Richard M. McDermid, Sabine Thater, Tim de Zeeuw

arxiv:1610.04269 v2 · 2016-10-13 · 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{X2TKCOC4J7EY33VHJLYBYXGDMN}

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	2026-05-18T00:54:16.446557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bea6a1385c4fc98deea74af01c5cc3636f2e23829b9bea4bc5c774f59c6ad995

Aliases

arxiv: 1610.04269 · arxiv_version: 1610.04269v2 · doi: 10.48550/arxiv.1610.04269 · pith_short_12: X2TKCOC4J7EY · pith_short_16: X2TKCOC4J7EY33VH · pith_short_8: X2TKCOC4

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/X2TKCOC4J7EY33VHJLYBYXGDMN \
  | 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: bea6a1385c4fc98deea74af01c5cc3636f2e23829b9bea4bc5c774f59c6ad995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b4996e73063b8af3bd57c36ba383576a38e95f864431540254244802d273412",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-13T21:37:04Z",
    "title_canon_sha256": "c21abec6fd43e5aeab25ca7f3406f64d433a605f429f284078509018d745ce31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04269",
    "kind": "arxiv",
    "version": 2
  }
}