Pith Number

pith:DYV37IDO

pith:2018:DYV37IDOSJE6A3YO2SHIKNOWMA

not attested not anchored not stored refs pending

Observing supermassive black holes in virtual reality

Daniel Kok, Heino Falcke, Jordy Davelaar, Monika Mo\'scibrodzka, Thomas Bronzwaer, Ziri Younsi

arxiv:1811.08369 v1 · 2018-11-20 · 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{DYV37IDOSJE6A3YO2SHIKNOWMA}

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	2026-05-18T00:00:14.256634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e2bbfa06e9249e06f0ed48e8535d6600f3e7469ae2c20d3a138e31f0042d3a5

Aliases

arxiv: 1811.08369 · arxiv_version: 1811.08369v1 · doi: 10.48550/arxiv.1811.08369 · pith_short_12: DYV37IDOSJE6 · pith_short_16: DYV37IDOSJE6A3YO · pith_short_8: DYV37IDO

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/DYV37IDOSJE6A3YO2SHIKNOWMA \
  | 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: 1e2bbfa06e9249e06f0ed48e8535d6600f3e7469ae2c20d3a138e31f0042d3a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5b53e6c30bed67532652011867bd7685ca3b6e351b7e27a851a4b345a0cc721",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-11-20T17:05:34Z",
    "title_canon_sha256": "8f7afcf9c7a91d7528a091fa387e1dcae1e3ba413b52a346aaf010cc72ba98cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08369",
    "kind": "arxiv",
    "version": 1
  }
}