Pith Number

pith:L5KDUR2N

pith:2011:L5KDUR2NVI2CBU2IXAOPY5SAD6

not attested not anchored not stored refs pending

Tanpopo cosmic dust collector: Silica aerogel production and bacterial DNA contamination analysis

Akihiko Yamagishi, Hajime Yano, Hideyuki Kawai, Jun-ichi Takahashi, Makoto Tabata, Shin-ichi Yokobori, Yuko Kawaguchi

arxiv:1112.6224 v1 · 2011-12-29 · physics.ins-det · astro-ph.EP · 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{L5KDUR2NVI2CBU2IXAOPY5SAD6}

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	2026-05-18T03:47:01.207104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f543a474daa3420d348b81cfc76401f913cb9a4b8112b0661cc0da9212ab061

Aliases

arxiv: 1112.6224 · arxiv_version: 1112.6224v1 · doi: 10.48550/arxiv.1112.6224 · pith_short_12: L5KDUR2NVI2C · pith_short_16: L5KDUR2NVI2CBU2I · pith_short_8: L5KDUR2N

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/L5KDUR2NVI2CBU2IXAOPY5SAD6 \
  | 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: 5f543a474daa3420d348b81cfc76401f913cb9a4b8112b0661cc0da9212ab061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cabf951aa04f3d608d6202f40dc3063772e98b84d5aef6c0c323e71228c68cc",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2011-12-29T04:42:55Z",
    "title_canon_sha256": "a504770274ed3dac546b5959ad136fbe2f392ffd45cd3644402c3c4e2001598e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6224",
    "kind": "arxiv",
    "version": 1
  }
}