Pith Number

pith:WWBNFDZ2

pith:2015:WWBNFDZ2MPXWVNDY3M2R7AYUM3

not attested not anchored not stored refs pending

Silica aerogel for capturing intact interplanetary dust particles for the Tanpopo experiment

Akihiko Yamagishi, Eiichi Imai, Hajime Yano, Hideyuki Kawai, Hirofumi Hashimoto, Makoto Tabata, Yuko Kawaguchi

arxiv:1506.02225 v1 · 2015-06-07 · 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{WWBNFDZ2MPXWVNDY3M2R7AYUM3}

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	2026-05-18T01:55:51.808111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b582d28f3a63ef6ab478db351f831466d4db6ced2c4e2d14ebde5b2db1740a61

Aliases

arxiv: 1506.02225 · arxiv_version: 1506.02225v1 · doi: 10.48550/arxiv.1506.02225 · pith_short_12: WWBNFDZ2MPXW · pith_short_16: WWBNFDZ2MPXWVNDY · pith_short_8: WWBNFDZ2

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/WWBNFDZ2MPXWVNDY3M2R7AYUM3 \
  | 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: b582d28f3a63ef6ab478db351f831466d4db6ced2c4e2d14ebde5b2db1740a61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0e1142b18bdc38eeb16680b9d73b1fe1f12abfa0c5ecfb1748362b57da5c8a0",
    "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": "2015-06-07T06:22:39Z",
    "title_canon_sha256": "929231cb4604441fefec31e1be1a13cda5db96280f695b0a74ec3e2f3ca4c854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.02225",
    "kind": "arxiv",
    "version": 1
  }
}