Pith Number

pith:JJ7DV5MX

pith:2022:JJ7DV5MXZXXIQPGNBKYUOUXCVM

not attested not anchored not stored refs pending

Multi-frequency VLBI Observations of the M 84 Inner Jet/Counterjet

Kazuhiro Hada, Lei Huang, Ru-Sen Lu, Wu Jiang, Xuezheng Wang, Yuzhu Cui, Zhiqiang Shen

arxiv:2211.08602 v1 · 2022-11-16 · astro-ph.HE · 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{JJ7DV5MXZXXIQPGNBKYUOUXCVM}

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	2026-07-05T05:28:31.676811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a7e3af597cdee883ccd0ab14752e2ab342f48f77ad9f05eeb213941190a986b

Aliases

arxiv: 2211.08602 · arxiv_version: 2211.08602v1 · doi: 10.48550/arxiv.2211.08602 · pith_short_12: JJ7DV5MXZXXI · pith_short_16: JJ7DV5MXZXXIQPGN · pith_short_8: JJ7DV5MX

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/JJ7DV5MXZXXIQPGNBKYUOUXCVM \
  | 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: 4a7e3af597cdee883ccd0ab14752e2ab342f48f77ad9f05eeb213941190a986b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b0446583ea3a72c593d39b7eb9a24cba72247d964c419a69422fa54b0b14721",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-11-16T01:19:16Z",
    "title_canon_sha256": "e7f0c87697e8ff766a64f36f25318ff4f895c2c5fac5b028ba8c63c6b3b4bfa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.08602",
    "kind": "arxiv",
    "version": 1
  }
}