Pith Number

pith:MROYUL7B

pith:2025:MROYUL7BTSSIEAPZPQBZ2G3LDN

not attested not anchored not stored refs pending

Sub-Parsec Acceleration and Collimation of NGC 4261's Twin Jets

Elika P. Fariyanto, Kazuhiro Hada, Lang Cui, Liang Chen, Luis C. Ho, Ru-Sen Lu, Sandor Frey, Wancheng Xu, Xi Yan

arxiv:2506.13093 v2 · 2025-06-16 · 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{MROYUL7BTSSIEAPZPQBZ2G3LDN}

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	2026-07-05T11:48:50.040088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

645d8a2fe19ca48201f97c039d1b6b1b6ec6f10aab9771b1e1701941bdad387b

Aliases

arxiv: 2506.13093 · arxiv_version: 2506.13093v2 · doi: 10.48550/arxiv.2506.13093 · pith_short_12: MROYUL7BTSSI · pith_short_16: MROYUL7BTSSIEAPZ · pith_short_8: MROYUL7B

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/MROYUL7BTSSIEAPZPQBZ2G3LDN \
  | 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: 645d8a2fe19ca48201f97c039d1b6b1b6ec6f10aab9771b1e1701941bdad387b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55ff1bade3f211460df9807e4d90310795d5601770d1d8e8d65927c5f9d9b7ad",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-16T04:45:50Z",
    "title_canon_sha256": "f40bba872b393d0ed2b4d9935f46422bd1810aaec5f2dfd6d8cda7d816801a81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.13093",
    "kind": "arxiv",
    "version": 2
  }
}