Pith Number

pith:43JYDAWU

pith:2011:43JYDAWULRO2M7DKSKE67QXWKR

not attested not anchored not stored refs pending

In the whirlpool's coils: tracing substructure from combined optical/X-ray data in the galaxy cluster A1300

A. Bongiorno, A. Finoguenov, D. Pierini, F.G. Braglia, F. Ziparo, H. Boehringer

arxiv:1111.4254 v2 · 2011-11-18 · 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{43JYDAWULRO2M7DKSKE67QXWKR}

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	2026-05-18T03:58:13.824027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6d38182d45c5da67c6a9289efc2f654630d9db34ad3787d68e36063d26cb229

Aliases

arxiv: 1111.4254 · arxiv_version: 1111.4254v2 · doi: 10.48550/arxiv.1111.4254 · pith_short_12: 43JYDAWULRO2 · pith_short_16: 43JYDAWULRO2M7DK · pith_short_8: 43JYDAWU

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/43JYDAWULRO2M7DKSKE67QXWKR \
  | 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: e6d38182d45c5da67c6a9289efc2f654630d9db34ad3787d68e36063d26cb229

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e00ca7c76db5a44968f9655121f4dc8810b91c0338b5ed552f2298196c29ccf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-18T01:56:03Z",
    "title_canon_sha256": "079084fbf2cbe389404d15e298ce20905afe0dcce17843b1ed5e34af8d110eed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4254",
    "kind": "arxiv",
    "version": 2
  }
}