Pith Number

pith:RS6MN6TI

pith:2007:RS6MN6TI3IRLIG7LTIZZNYOSYN

not attested not anchored not stored refs pending

The Cosmic Web: Geometric Analysis

Rien van de Weygaert, the Netherlands), University Groningen, Willem Schaap (Kapteyn Astronomical Institute

arxiv:0708.1441 v1 · 2007-08-10 · 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{RS6MN6TI3IRLIG7LTIZZNYOSYN}

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	2026-05-18T00:49:25.528428Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cbcc6fa68da22b41beb9a3396e1d2c3748989f7f76f95626f363fd017f677a0

Aliases

arxiv: 0708.1441 · arxiv_version: 0708.1441v1 · doi: 10.48550/arxiv.0708.1441 · pith_short_12: RS6MN6TI3IRL · pith_short_16: RS6MN6TI3IRLIG7L · pith_short_8: RS6MN6TI

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/RS6MN6TI3IRLIG7LTIZZNYOSYN \
  | 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: 8cbcc6fa68da22b41beb9a3396e1d2c3748989f7f76f95626f363fd017f677a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "806b19989a3c5ece85928aa16634bd49fc8a3617fd7196d74beea8e65196891c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-10T14:24:57Z",
    "title_canon_sha256": "b8c32217aa927dd474190cb4c4434c57be5c48bf6d07e98be2854a332f0865ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.1441",
    "kind": "arxiv",
    "version": 1
  }
}