Pith Number

pith:2Q7A56G6

pith:2019:2Q7A56G6X3QVEZWVM4JO5T7GYY

not attested not anchored not stored refs pending

Asymmetric jet production in the Active Galactic Nucleus of NGC1052

A.-K. Baczko, C. M. Fromm, E. Ros, J. Wilms, M. Kadler, M. Perucho, R. Schulz

arxiv:1901.02639 v1 · 2019-01-09 · 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{2Q7A56G6X3QVEZWVM4JO5T7GYY}

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	2026-05-17T23:52:38.743143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d43e0ef8debee15266d56712eecfe6c60bbca2ea45e9941b68d81d813ebf017b

Aliases

arxiv: 1901.02639 · arxiv_version: 1901.02639v1 · doi: 10.48550/arxiv.1901.02639 · pith_short_12: 2Q7A56G6X3QV · pith_short_16: 2Q7A56G6X3QVEZWV · pith_short_8: 2Q7A56G6

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/2Q7A56G6X3QVEZWVM4JO5T7GYY \
  | 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: d43e0ef8debee15266d56712eecfe6c60bbca2ea45e9941b68d81d813ebf017b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "088eb323bd70e610d07be4c4f76d8d62b67a9421d7f59adc7d009f3739a566fe",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-09T08:55:20Z",
    "title_canon_sha256": "f20f435f90b4848aa6ff18410cad38990a902c387ee7700828133c1168f3d894"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02639",
    "kind": "arxiv",
    "version": 1
  }
}