Pith Number

pith:SSOVXJY4

pith:2009:SSOVXJY4ESAT5IQHRIWY3XXJK5

not attested not anchored not stored refs pending

Morphology of the Local Volume

A. Tikhonov, M. Kerscher

arxiv:0904.3058 v2 · 2009-04-20 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSOVXJY4ESAT5IQHRIWY3XXJK5}

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	2026-05-18T02:13:58.817040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

949d5ba71c24813ea2078a2d8ddee9577383e96bc90f384f4160fa4dc4a197fa

Aliases

arxiv: 0904.3058 · arxiv_version: 0904.3058v2 · doi: 10.48550/arxiv.0904.3058 · pith_short_12: SSOVXJY4ESAT · pith_short_16: SSOVXJY4ESAT5IQH · pith_short_8: SSOVXJY4

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/SSOVXJY4ESAT5IQHRIWY3XXJK5 \
  | 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: 949d5ba71c24813ea2078a2d8ddee9577383e96bc90f384f4160fa4dc4a197fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cef010120466d052b5b372103590e58f22eaa010783e6f67e4f438cd07d5575b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-04-20T15:31:36Z",
    "title_canon_sha256": "3955f9a140d3b76749d400d5d41b8ea276cc807bb2e999222753660b86969bcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3058",
    "kind": "arxiv",
    "version": 2
  }
}