Pith Number

pith:BKH5QOIF

pith:2015:BKH5QOIFWTRGULT33XZNQRYCLS

not attested not anchored not stored refs pending

On the Abundance of Extreme Voids

Sirichai Chongchitnan

arxiv:1502.07705 v2 · 2015-02-26 · astro-ph.CO · 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{BKH5QOIFWTRGULT33XZNQRYCLS}

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	2026-05-18T01:59:37.344483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a8fd83905b4e26a2e7bddf2d847025c86a82fe990d4d0c3ee57ffc70d4e09d4

Aliases

arxiv: 1502.07705 · arxiv_version: 1502.07705v2 · doi: 10.48550/arxiv.1502.07705 · pith_short_12: BKH5QOIFWTRG · pith_short_16: BKH5QOIFWTRGULT3 · pith_short_8: BKH5QOIF

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/BKH5QOIFWTRGULT33XZNQRYCLS \
  | 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: 0a8fd83905b4e26a2e7bddf2d847025c86a82fe990d4d0c3ee57ffc70d4e09d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71d350b883ab9eaade7207f31de6df1ce8fec635477592a9dd0c59c907413e38",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-02-26T20:03:47Z",
    "title_canon_sha256": "587de00cbdd388bc81d8c743fb778e3e33d125a12026faf0f4b293e6bf42cabb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07705",
    "kind": "arxiv",
    "version": 2
  }
}