Pith Number

pith:DWDOGZJ4

pith:2019:DWDOGZJ4M4NPZCKRZMNVZ3QQ5I

not attested not anchored not stored refs pending

Golden, Quasicrystalline, Chiral Packings of Tetrahedra

Fang Fang, Garrett Sadler, Julio Kovacs, Klee Irwin

arxiv:1901.07346 v1 · 2019-01-07 · 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{DWDOGZJ4M4NPZCKRZMNVZ3QQ5I}

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	2026-05-17T23:55:47.237728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d86e3653c671afc8951cb1b5cee10ea35c3c7f19992bf55bcf9863bbc80f3ae

Aliases

arxiv: 1901.07346 · arxiv_version: 1901.07346v1 · doi: 10.48550/arxiv.1901.07346 · pith_short_12: DWDOGZJ4M4NP · pith_short_16: DWDOGZJ4M4NPZCKR · pith_short_8: DWDOGZJ4

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/DWDOGZJ4M4NPZCKRZMNVZ3QQ5I \
  | 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: 1d86e3653c671afc8951cb1b5cee10ea35c3c7f19992bf55bcf9863bbc80f3ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01f2a9bf2ae72595d40b801430e41927ca5e8ec5b14cd3db9daa73e5eb696865",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2019-01-07T23:12:06Z",
    "title_canon_sha256": "ef4a1e5649e821c5d888f83795c6ef72695d2f80dacc312cef6c3c703849d09b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07346",
    "kind": "arxiv",
    "version": 1
  }
}