Pith Number

pith:2SC7VJTL

pith:2026:2SC7VJTLEFHA376GQA5DROIGGB

not attested not anchored not stored refs pending

Defect Topology in Colloidal Smectics

Chaya Halperin, Hillel Aharoni

arxiv:2606.21479 v1 · 2026-06-19 · 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{2SC7VJTLEFHA376GQA5DROIGGB}

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	2026-06-23T01:13:11.731665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d485faa66b214e0dffc6803a38b906304e1e9df1710a94332dfb8f1eba4ad762

Aliases

arxiv: 2606.21479 · arxiv_version: 2606.21479v1 · doi: 10.48550/arxiv.2606.21479 · pith_short_12: 2SC7VJTLEFHA · pith_short_16: 2SC7VJTLEFHA376G · pith_short_8: 2SC7VJTL

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/2SC7VJTLEFHA376GQA5DROIGGB \
  | 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: d485faa66b214e0dffc6803a38b906304e1e9df1710a94332dfb8f1eba4ad762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bcb39c1d72f75da7e514f50c96177038d72d7f8935b210269dce764c0364e83",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2026-06-19T14:28:28Z",
    "title_canon_sha256": "8f1796c2da160bb49878648ddc772a3b713ab6c4b4651ef707a22a8c9aec5caa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21479",
    "kind": "arxiv",
    "version": 1
  }
}