Pith Number

pith:E2NNRFAT

pith:2023:E2NNRFAT2POTDQA4NBGGDGPP4A

not attested not anchored not stored refs pending

Detection of a ~ 0.1c radio knot in M81* associated with a moderate X-ray flare

Ivan Mart\'i-Vidal, Roman Gold, Wu Jiang, Xuezheng Wang, Ya-Ping Li, Zhen Yan, Zhiqiang Shen

arxiv:2310.08902 v1 · 2023-10-13 · 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{E2NNRFAT2POTDQA4NBGGDGPP4A}

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	2026-07-05T07:00:36.851092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

269ad89413d3dd31c01c684c6199efe03876951591142458c27f4034be036ff3

Aliases

arxiv: 2310.08902 · arxiv_version: 2310.08902v1 · doi: 10.48550/arxiv.2310.08902 · pith_short_12: E2NNRFAT2POT · pith_short_16: E2NNRFAT2POTDQA4 · pith_short_8: E2NNRFAT

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/E2NNRFAT2POTDQA4NBGGDGPP4A \
  | 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: 269ad89413d3dd31c01c684c6199efe03876951591142458c27f4034be036ff3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0859f2f9cfcc8a6ef29de4a889a968c796c7b0aa81b634af7a38a34ec7dcd716",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-10-13T07:17:05Z",
    "title_canon_sha256": "6b6097bf788c6bbcd71baa0b476337115c6605ea053854d440c914f87f9458c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.08902",
    "kind": "arxiv",
    "version": 1
  }
}