Pith Number

pith:CQRQMP2G

pith:2019:CQRQMP2GEYQ4LTMC5XGKZ3IGI3

not attested not anchored not stored refs pending

Topological defects and geometric memory across the nematic-smectic A liquid crystal phase transition

Ahram Suh, Daniel Beller, Dong Ki Yoon, Min-Jun Gim

arxiv:1904.05507 v1 · 2019-04-11 · 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{CQRQMP2GEYQ4LTMC5XGKZ3IGI3}

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	2026-05-17T23:48:49.313985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1423063f462621c5cd82edccaced0646e76c8eb043c015878d05f854076ffa6f

Aliases

arxiv: 1904.05507 · arxiv_version: 1904.05507v1 · doi: 10.48550/arxiv.1904.05507 · pith_short_12: CQRQMP2GEYQ4 · pith_short_16: CQRQMP2GEYQ4LTMC · pith_short_8: CQRQMP2G

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/CQRQMP2GEYQ4LTMC5XGKZ3IGI3 \
  | 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: 1423063f462621c5cd82edccaced0646e76c8eb043c015878d05f854076ffa6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f917d50a23e5822a641c1109fe805bcab34464711d2dad3a1df2d50ea31cf884",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2019-04-11T02:53:47Z",
    "title_canon_sha256": "9caa0b0dbdbb4a27e22ddb90df5ca392a6fbe5efca9d4219a9cc4d85b0f47b8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05507",
    "kind": "arxiv",
    "version": 1
  }
}