Pith Number

pith:X6I4T2YN

pith:2014:X6I4T2YNICFZYAHCI6S3FKJV2M

not attested not anchored not stored refs pending

Topologically protected excitons in porphyrin thin films

Al\'an Aspuru-Guzik, Joel Yuen-Zhou, Norman Y. Yao, Semion S. Saikin

arxiv:1406.1472 v1 · 2014-06-05 · cond-mat.mtrl-sci · cond-mat.mes-hall · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6I4T2YNICFZYAHCI6S3FKJV2M}

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	2026-05-18T01:25:03.550507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf91c9eb0d408b9c00e247a5b2a935d307be3394625d498d9683c93022d33d64

Aliases

arxiv: 1406.1472 · arxiv_version: 1406.1472v1 · doi: 10.48550/arxiv.1406.1472 · pith_short_12: X6I4T2YNICFZ · pith_short_16: X6I4T2YNICFZYAHC · pith_short_8: X6I4T2YN

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/X6I4T2YNICFZYAHCI6S3FKJV2M \
  | 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: bf91c9eb0d408b9c00e247a5b2a935d307be3394625d498d9683c93022d33d64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e735b1b9ac25b5f365ec0a58bfcc16c7e3d4d47c6ff8737185c4ecb3aa28056",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2014-06-05T18:43:21Z",
    "title_canon_sha256": "b41535d78b388c218e3ba26a15a4597cd522498195da394716753914ce9cd3af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1472",
    "kind": "arxiv",
    "version": 1
  }
}