Pith Number

pith:M7LZNEQE

pith:2012:M7LZNEQESPY2LT5G4M3G46DBHD

not attested not anchored not stored refs pending

A cosmic ray cocoon along the X-ray jet of M87?

A. Siemiginowska, D. Harris, H. Siejkowski, M.G. Dainotti, M. Ostrowski

arxiv:1205.1612 v1 · 2012-05-08 · 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{M7LZNEQESPY2LT5G4M3G46DBHD}

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	2026-05-18T01:57:36.804546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67d796920493f1a5cfa6e3366e786138f4981e334019b1cddd8de1fa477d18ee

Aliases

arxiv: 1205.1612 · arxiv_version: 1205.1612v1 · doi: 10.48550/arxiv.1205.1612 · pith_short_12: M7LZNEQESPY2 · pith_short_16: M7LZNEQESPY2LT5G · pith_short_8: M7LZNEQE

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/M7LZNEQESPY2LT5G4M3G46DBHD \
  | 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: 67d796920493f1a5cfa6e3366e786138f4981e334019b1cddd8de1fa477d18ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe38e69c8ec44a6fd2913b29309e1b2ee1a56cc17de9097e33b16d932e16d778",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-05-08T07:31:13Z",
    "title_canon_sha256": "9e678cf9011b6daad6ed8d890f19c372038404b319b8dbd4349c6dc075e1aaf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1612",
    "kind": "arxiv",
    "version": 1
  }
}