Pith Number

pith:F63QGAH7

pith:2015:F63QGAH7CYW6FC3R7UPJMHEWLT

not attested not anchored not stored refs pending

An experimental apparatus for observing deterministic structure formation in plate-on-pedestal ice crystal growth

Kenneth G. Libbrecht

arxiv:1503.01019 v1 · 2015-03-03 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F63QGAH7CYW6FC3R7UPJMHEWLT}

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	2026-05-18T02:25:47.902886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fb70300ff162de28b71fd1e961c965ccc960bda18cf660394e5923f5ce8511f

Aliases

arxiv: 1503.01019 · arxiv_version: 1503.01019v1 · doi: 10.48550/arxiv.1503.01019 · pith_short_12: F63QGAH7CYW6 · pith_short_16: F63QGAH7CYW6FC3R · pith_short_8: F63QGAH7

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/F63QGAH7CYW6FC3R7UPJMHEWLT \
  | 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: 2fb70300ff162de28b71fd1e961c965ccc960bda18cf660394e5923f5ce8511f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dba25217f4fef908eaeb3338fff56190b3e134eea18e982e414cd4a93fcf4f3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-03-03T17:24:57Z",
    "title_canon_sha256": "1da3d294d4cfc6c072dcd8f69433f4c1f78486d967b75a4f6d90cd5c61ab0767"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01019",
    "kind": "arxiv",
    "version": 1
  }
}