Pith Number

pith:IQ7LIPRV

pith:2018:IQ7LIPRVVS42YELXU56JN25TQF

not attested not anchored not stored refs pending

Topological Phononic Logic

Harris Pirie, Jennifer E. Hoffman, Jennifer Wang, Radu Andrei, Shuvom Sadhuka

arxiv:1809.09187 v2 · 2018-09-24 · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQ7LIPRVVS42YELXU56JN25TQF}

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	2026-07-05T03:48:34.816894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

443eb43e35acb9ac1177a77c96ebb3814e22d476959f32b94e9905436f704dfe

Aliases

arxiv: 1809.09187 · arxiv_version: 1809.09187v2 · doi: 10.48550/arxiv.1809.09187 · pith_short_12: IQ7LIPRVVS42 · pith_short_16: IQ7LIPRVVS42YELX · pith_short_8: IQ7LIPRV

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/IQ7LIPRVVS42YELXU56JN25TQF \
  | 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: 443eb43e35acb9ac1177a77c96ebb3814e22d476959f32b94e9905436f704dfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b5dcee72eaa1e86fe77d7dd38316230f47df9965ee7c4a905471f9f02f219ed",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-09-24T19:41:25Z",
    "title_canon_sha256": "0fae484bb72206b12510ecba4a462231b7d94450d3b666793df15dab694422f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09187",
    "kind": "arxiv",
    "version": 2
  }
}