Pith Number

pith:3B6CHUNF

pith:2012:3B6CHUNFAOMZXUBFSDX5GUEC7Y

not attested not anchored not stored refs pending

Topological and geometric decomposition of nematic textures

Simon \v{C}opar, Slobodan \v{Z}umer

arxiv:1201.4283 v1 · 2012-01-20 · 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{3B6CHUNFAOMZXUBFSDX5GUEC7Y}

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	2026-05-18T01:58:46.236238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d87c23d1a503999bd02590efd35082fe354539db9784142861f811d63cc34d18

Aliases

arxiv: 1201.4283 · arxiv_version: 1201.4283v1 · doi: 10.48550/arxiv.1201.4283 · pith_short_12: 3B6CHUNFAOMZ · pith_short_16: 3B6CHUNFAOMZXUBF · pith_short_8: 3B6CHUNF

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/3B6CHUNFAOMZXUBFSDX5GUEC7Y \
  | 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: d87c23d1a503999bd02590efd35082fe354539db9784142861f811d63cc34d18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46543e8edaea81b9145938d6ebf07d33b4ed5ce277ecaaf31386d8454199ba29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2012-01-20T13:06:36Z",
    "title_canon_sha256": "7ec52dd00b1a543414bacadd7e77dc6ae19695b1ef6db05a0b89c53cb683b934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4283",
    "kind": "arxiv",
    "version": 1
  }
}