Pith Number

pith:YXKKPXZW

pith:2015:YXKKPXZWS3NHPOXVJRI3L7KEXL

not attested not anchored not stored refs pending

The Colorful Chemical Bottle Experiment Kit: From School Laboratory To Public Demonstration

Suphattra Hsu, Taweetham Limpanuparb

arxiv:1504.02604 v1 · 2015-04-10 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YXKKPXZWS3NHPOXVJRI3L7KEXL}

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	2026-05-18T02:19:07.233397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5d4a7df3696da77baf54c51b5fd44bae8ea85ccfd1a5eff5220226ce1114966

Aliases

arxiv: 1504.02604 · arxiv_version: 1504.02604v1 · doi: 10.48550/arxiv.1504.02604 · pith_short_12: YXKKPXZWS3NH · pith_short_16: YXKKPXZWS3NHPOXV · pith_short_8: YXKKPXZW

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/YXKKPXZWS3NHPOXVJRI3L7KEXL \
  | 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: c5d4a7df3696da77baf54c51b5fd44bae8ea85ccfd1a5eff5220226ce1114966

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ef8d83d9a61bf0af107cff5555115c85156557ffa5e4e92fe4635f7e31d24b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2015-04-10T09:33:13Z",
    "title_canon_sha256": "148b6264ce7b7c322d4da931125f169311cce22b2cc0a64c13f3b1229980adf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02604",
    "kind": "arxiv",
    "version": 1
  }
}