Pith Number

pith:2P22YT2D

pith:2012:2P22YT2DIV3BSVEU2ZC6WIERKZ

not attested not anchored not stored refs pending

Coherent Optical Memory with High Storage Efficiency and Large Fractional Delay

I-Chung Wang, Ite A. Yu, Meng-Jung Lee, Shengwang Du, Yi-Hsin Chen, Ying-Cheng Chen, Yong-Fan Chen

arxiv:1211.0612 v3 · 2012-11-03 · physics.optics · physics.atom-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{2P22YT2DIV3BSVEU2ZC6WIERKZ}

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	2026-05-18T03:32:58.582874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3f5ac4f434576195494d645eb20915658576d612cdb7a8c35b422d191df5bb0

Aliases

arxiv: 1211.0612 · arxiv_version: 1211.0612v3 · doi: 10.48550/arxiv.1211.0612 · pith_short_12: 2P22YT2DIV3B · pith_short_16: 2P22YT2DIV3BSVEU · pith_short_8: 2P22YT2D

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/2P22YT2DIV3BSVEU2ZC6WIERKZ \
  | 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: d3f5ac4f434576195494d645eb20915658576d612cdb7a8c35b422d191df5bb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceb7c8535d7ede9c9e1f02c8dbdeb57da47c4c72f909ae4658cf9b2cef467ee2",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-11-03T13:23:59Z",
    "title_canon_sha256": "a2dfdc7332e614ffbc4e5035addbdb1c15af0d9cdce8f4ad255586eb7b30fd40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0612",
    "kind": "arxiv",
    "version": 3
  }
}