Pith Number

pith:SQUFS3TN

pith:2018:SQUFS3TNE2YVM5NQIG5NOZHF7H

not attested not anchored not stored refs pending

Discovery of large scale shock fronts correlated with the radio halo and radio relic in the A2163 galaxy cluster

Martin W. Sommer, Naomi Ota, Sophia Th\"olken, Thomas H. Reiprich

arxiv:1809.06411 v1 · 2018-09-17 · astro-ph.HE · 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{SQUFS3TNE2YVM5NQIG5NOZHF7H}

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	2026-05-18T00:00:45.642474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9428596e6d26b15675b041bad764e5f9ca758b60db928d30591490950930f0e6

Aliases

arxiv: 1809.06411 · arxiv_version: 1809.06411v1 · doi: 10.48550/arxiv.1809.06411 · pith_short_12: SQUFS3TNE2YV · pith_short_16: SQUFS3TNE2YVM5NQ · pith_short_8: SQUFS3TN

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/SQUFS3TNE2YVM5NQIG5NOZHF7H \
  | 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: 9428596e6d26b15675b041bad764e5f9ca758b60db928d30591490950930f0e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "244785f0387d2bf9d7f2aad07f1bc9dc47a3718aaf144baa23a439549923a558",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-17T19:07:27Z",
    "title_canon_sha256": "bf4b67e8e717def3056fa4f0b34a885fcc20231abd8853282f316e83f10c440f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06411",
    "kind": "arxiv",
    "version": 1
  }
}