Pith Number

pith:QW5QVDNM

pith:2011:QW5QVDNM7CLROH7VZXHBGFFFUB

not attested not anchored not stored refs pending

Grisms Developed for FOCAS

Akiko Yamada, Kashiko Kodate, Keiko Oka, Koji S. Kawabata, Masako Kashiwagi, Masanori Iye, Noboru Ebizuka, Nobunari Kashikawa, Takashi Hattori

arxiv:1105.0997 v1 · 2011-05-05 · 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{QW5QVDNM7CLROH7VZXHBGFFFUB}

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	2026-05-18T02:02:04.058407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85bb0a8dacf897171ff5cdce1314a5a049e7d434d596eabdf06d5e5b7ba0fb68

Aliases

arxiv: 1105.0997 · arxiv_version: 1105.0997v1 · doi: 10.48550/arxiv.1105.0997 · pith_short_12: QW5QVDNM7CLR · pith_short_16: QW5QVDNM7CLROH7V · pith_short_8: QW5QVDNM

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/QW5QVDNM7CLROH7VZXHBGFFFUB \
  | 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: 85bb0a8dacf897171ff5cdce1314a5a049e7d434d596eabdf06d5e5b7ba0fb68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91ecba8958601efa3275a7aa3be0bdaf941284f39b70359c942230227b46a0a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-05-05T07:01:06Z",
    "title_canon_sha256": "133514e0b50ff9d8b77cd998731295ae66d2c9445f527956832e66c6a08cbbbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0997",
    "kind": "arxiv",
    "version": 1
  }
}