Pith Number

pith:P52QQBHU

pith:2016:P52QQBHU5EMAFW6H5ZLXL2UIXF

not attested not anchored not stored refs pending

Cluster Assembly in Hierarchically Collapsing Clouds

Alejandro Gonzalez-Samaniego, Enrique Vazquez-Semadeni, Manuel Zamora-Aviles, Pedro Colin

arxiv:1602.07175 v1 · 2016-02-23 · 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{P52QQBHU5EMAFW6H5ZLXL2UIXF}

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	2026-05-18T00:47:15.442573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f750804f4e91802dbc7ee5775ea88b958e984a97753f8d69e7a3e80e10e1448

Aliases

arxiv: 1602.07175 · arxiv_version: 1602.07175v1 · doi: 10.48550/arxiv.1602.07175 · pith_short_12: P52QQBHU5EMA · pith_short_16: P52QQBHU5EMAFW6H · pith_short_8: P52QQBHU

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/P52QQBHU5EMAFW6H5ZLXL2UIXF \
  | 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: 7f750804f4e91802dbc7ee5775ea88b958e984a97753f8d69e7a3e80e10e1448

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f47066985c941741ed339a84f5e16a931e5b68861d344bc70e951e42fa93886",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-23T14:54:37Z",
    "title_canon_sha256": "da7d425b96a5a1a939ff74847afda2b19503499ede8e62f2eb0aab43e307246b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07175",
    "kind": "arxiv",
    "version": 1
  }
}