Pith Number

pith:PICHRLBU

pith:2016:PICHRLBUUNFEWOJNHSZ4YZBKUB

not attested not anchored not stored refs pending

Observing dynamical friction in galaxy clusters

Joseph Clampitt, Neal Dalal, Susmita Adhikari

arxiv:1605.06688 v1 · 2016-05-21 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PICHRLBUUNFEWOJNHSZ4YZBKUB}

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	2026-05-18T01:10:29.507773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a0478ac34a34a4b392d3cb3cc642aa04054da4203d1e097861bbc59fc8a6530

Aliases

arxiv: 1605.06688 · arxiv_version: 1605.06688v1 · doi: 10.48550/arxiv.1605.06688 · pith_short_12: PICHRLBUUNFE · pith_short_16: PICHRLBUUNFEWOJN · pith_short_8: PICHRLBU

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/PICHRLBUUNFEWOJNHSZ4YZBKUB \
  | 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: 7a0478ac34a34a4b392d3cb3cc642aa04054da4203d1e097861bbc59fc8a6530

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2029e3e80e7393cd19a048124f597ccb74d9bf8afa816107c3181ab7fb3b9d65",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-05-21T19:11:43Z",
    "title_canon_sha256": "ea210c863a41cb4bf3625e1ac4af67479264b182f63557703d7bc08d04d4fc76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06688",
    "kind": "arxiv",
    "version": 1
  }
}