Pith Number

pith:RIK4VWIK

pith:2015:RIK4VWIKV4LWFDJPQWSR7UZCKF

not attested not anchored not stored refs pending

Imaginary crystals made real

Alfredo Iorio, Nicola Maria Pugno, Ruggero Gabbrielli, Simone Taioli, Stefano Simonucci

arxiv:1511.07672 v1 · 2015-11-24 · cond-mat.mtrl-sci · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RIK4VWIKV4LWFDJPQWSR7UZCKF}

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	2026-05-18T01:26:03.993085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a15cad90aaf17628d2f85a51fd322514f3872ac9dcec43750e94ff8804882c7

Aliases

arxiv: 1511.07672 · arxiv_version: 1511.07672v1 · doi: 10.48550/arxiv.1511.07672 · pith_short_12: RIK4VWIKV4LW · pith_short_16: RIK4VWIKV4LWFDJP · pith_short_8: RIK4VWIK

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/RIK4VWIKV4LWFDJPQWSR7UZCKF \
  | 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: 8a15cad90aaf17628d2f85a51fd322514f3872ac9dcec43750e94ff8804882c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "608316a9e88cbc786310704db1997736b8d2c719fba08530a4a30435b7cd92ba",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-11-24T12:17:16Z",
    "title_canon_sha256": "7a12b779442ae831b58fd6bb3f759ef1df06e2c5a5c97a879baad2b7736dd8db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07672",
    "kind": "arxiv",
    "version": 1
  }
}