Pith Number

pith:GFEN5E7Z

pith:2010:GFEN5E7ZBHAKQZYDCS4LBO75H7

not attested not anchored not stored refs pending

The jet in M87 from EVN observations

A. Cesarini, C. Casadio, G. Giovannini, H. Krawczynski, M. Beilicke, M. Giroletti

arxiv:1010.4170 v1 · 2010-10-20 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFEN5E7ZBHAKQZYDCS4LBO75H7}

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	2026-05-18T02:05:00.695141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3148de93f909c0a8670314b8b0bbfd3fca2b96c2c649ed593bca09f28304486b

Aliases

arxiv: 1010.4170 · arxiv_version: 1010.4170v1 · doi: 10.48550/arxiv.1010.4170 · pith_short_12: GFEN5E7ZBHAK · pith_short_16: GFEN5E7ZBHAKQZYD · pith_short_8: GFEN5E7Z

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/GFEN5E7ZBHAKQZYDCS4LBO75H7 \
  | 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: 3148de93f909c0a8670314b8b0bbfd3fca2b96c2c649ed593bca09f28304486b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebc59b359b41e76cd28caace605768df34c76cc70f5ca454f1e47fa80c1ddc1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-20T12:00:13Z",
    "title_canon_sha256": "4f2411adccfcbbe87585ec657ce938deddb51c8154b561cf6036e2bfcc5860a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4170",
    "kind": "arxiv",
    "version": 1
  }
}