Pith Number

pith:L4TAG5RT

pith:2012:L4TAG5RTZLBQW4L62LLWXRA3JH

not attested not anchored not stored refs pending

The kinematic of HST-1 in the jet of M87

A. Cesarini, A. Doi, C. Casadio, C. C. Cheung, G. Giovannini, H. Krawczynski, H. Nagai, K. Hada, M. Beilicke, M. Giroletti, M. Kino, N. P. Lee

arxiv:1202.0013 v1 · 2012-01-31 · astro-ph.CO · 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{L4TAG5RTZLBQW4L62LLWXRA3JH}

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	2026-05-18T01:58:37.273401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f26037633cac30b717ed2d76bc41b49e8025c7a1120b208e41d6dfffb859789

Aliases

arxiv: 1202.0013 · arxiv_version: 1202.0013v1 · doi: 10.48550/arxiv.1202.0013 · pith_short_12: L4TAG5RTZLBQ · pith_short_16: L4TAG5RTZLBQW4L6 · pith_short_8: L4TAG5RT

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/L4TAG5RTZLBQW4L62LLWXRA3JH \
  | 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: 5f26037633cac30b717ed2d76bc41b49e8025c7a1120b208e41d6dfffb859789

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e691d730f6b6cad51f935db612453ad8d41289d59dcd906355f8ff0119fef0b4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-31T21:01:05Z",
    "title_canon_sha256": "69e9de2b11002b73c55431105fdf1212b24d8576cec142349436cfaffd3a4f39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0013",
    "kind": "arxiv",
    "version": 1
  }
}