Pith Number

pith:XUSEZ7JT

pith:2015:XUSEZ7JT6MDN3Z6IX37GYQEPCT

not attested not anchored not stored refs pending

Elastic Coulomb-levitation: why is ice so slippery?

Chang Q. Sun

arxiv:1502.04173 v1 · 2015-02-14 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XUSEZ7JT6MDN3Z6IX37GYQEPCT}

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	2026-05-18T02:27:00.311590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd244cfd33f306dde7c8befe6c408f14d15da30c2a024c4703a97a932e40ccf5

Aliases

arxiv: 1502.04173 · arxiv_version: 1502.04173v1 · doi: 10.48550/arxiv.1502.04173 · pith_short_12: XUSEZ7JT6MDN · pith_short_16: XUSEZ7JT6MDN3Z6I · pith_short_8: XUSEZ7JT

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/XUSEZ7JT6MDN3Z6IX37GYQEPCT \
  | 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: bd244cfd33f306dde7c8befe6c408f14d15da30c2a024c4703a97a932e40ccf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2547fdc6ab6b7a5a8fdcd2bca20b3f24a816f08d176e969fc6f1572ba1bb7f6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2015-02-14T06:40:19Z",
    "title_canon_sha256": "8b96a687efb9bdd0283a289f95178a4239839306fc89aae046d632291bda6f5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04173",
    "kind": "arxiv",
    "version": 1
  }
}