Pith Number

pith:T5L2GJRW

pith:2010:T5L2GJRWSMNL5CUOP7MBOJZUA6

not attested not anchored not stored refs pending

The True Bottleneck of Modern Scientific Computing in Astronomy

Igor Chilingarian, Ivan Zolotukhin

arxiv:1012.4119 v1 · 2010-12-18 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T5L2GJRWSMNL5CUOP7MBOJZUA6}

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	2026-05-18T04:32:55.425020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f57a32636931abe8a8e7fd817273407b616070ad2873f22f57c2d174578134e

Aliases

arxiv: 1012.4119 · arxiv_version: 1012.4119v1 · doi: 10.48550/arxiv.1012.4119 · pith_short_12: T5L2GJRWSMNL · pith_short_16: T5L2GJRWSMNL5CUO · pith_short_8: T5L2GJRW

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/T5L2GJRWSMNL5CUOP7MBOJZUA6 \
  | 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: 9f57a32636931abe8a8e7fd817273407b616070ad2873f22f57c2d174578134e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9d5736576de9e0458a150ae4a20bd25d3012de2c557b112c71fda30fa920827",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-12-18T20:50:22Z",
    "title_canon_sha256": "63a2f8a4144e6b6412b4d00e79f2798e3abac031a5a00547e637711108ace229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4119",
    "kind": "arxiv",
    "version": 1
  }
}