Pith Number

pith:QVGBBUWN

pith:2016:QVGBBUWN67YSANLFCWI7ZBZWBW

not attested not anchored not stored refs pending

A Baryonic Effect on the Merger Timescale of Galaxy Clusters

Congyao Zhang (KIAA), Qingjuan Yu (KIAA), Youjun Lu (NAOC)

arxiv:1602.02804 v1 · 2016-02-08 · 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{QVGBBUWN67YSANLFCWI7ZBZWBW}

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	2026-05-18T01:17:41.577486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

854c10d2cdf7f12035651591fc87360d85bb27bb2dea3637811a32ff7d26f95f

Aliases

arxiv: 1602.02804 · arxiv_version: 1602.02804v1 · doi: 10.48550/arxiv.1602.02804 · pith_short_12: QVGBBUWN67YS · pith_short_16: QVGBBUWN67YSANLF · pith_short_8: QVGBBUWN

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/QVGBBUWN67YSANLFCWI7ZBZWBW \
  | 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: 854c10d2cdf7f12035651591fc87360d85bb27bb2dea3637811a32ff7d26f95f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02a078369a6b95499f746040744f824ac938a51f0565f7b5cc225d9c652dcf6a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-02-08T22:14:57Z",
    "title_canon_sha256": "0fc3de4235f74096200fe0b1639eef88b50cd9806e0e33bb3327a0058a85f045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02804",
    "kind": "arxiv",
    "version": 1
  }
}