Pith Number

pith:UIPYQMYY

pith:2008:UIPYQMYYVRMX2KM5CC36RQSNMH

not attested not anchored not stored refs pending

A Dynamical Classification of the Cosmic Web

A. Klypin, G. Yepes, J.E. Forero-Romero, S. Gottloeber, Y. Hoffman

arxiv:0809.4135 v1 · 2008-09-24 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UIPYQMYYVRMX2KM5CC36RQSNMH}

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.

Cited by

1 paper in Pith

Cosmic-web quenching with DESI DR1: T-Web environments and mass-dependent red/blue classification

Receipt and verification

First computed	2026-05-18T04:37:22.945722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a21f883318ac597d299d10b7e8c24d61cf29d525ac29c4b04e6f58ee0bac4f57

Aliases

arxiv: 0809.4135 · arxiv_version: 0809.4135v1 · doi: 10.48550/arxiv.0809.4135 · pith_short_12: UIPYQMYYVRMX · pith_short_16: UIPYQMYYVRMX2KM5 · pith_short_8: UIPYQMYY

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/UIPYQMYYVRMX2KM5CC36RQSNMH \
  | 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: a21f883318ac597d299d10b7e8c24d61cf29d525ac29c4b04e6f58ee0bac4f57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f77628291231f147dd598221687d17608ee081766f03e84f11257b4b5ff3a3f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-24T18:06:26Z",
    "title_canon_sha256": "db14f933d73a1adb9129288000fb61d2e7e1ca2bd067f026d6cf48e0d9c8122c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4135",
    "kind": "arxiv",
    "version": 1
  }
}