Pith Number

pith:R3IE6WQR

pith:2012:R3IE6WQRWYKAGFNL53Q3EW6ZFC

not attested not anchored not stored refs pending

Transmission degradation and preservation for tapered optical fibers in rubidium vapor

J.D. Franson, M.M. Lai, T.B. Pittman

arxiv:1212.5189 v1 · 2012-12-20 · physics.optics · 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{R3IE6WQRWYKAGFNL53Q3EW6ZFC}

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	2026-05-18T01:52:29.648474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ed04f5a11b6140315abeee1b25bd928b91d32997736fb28cae1d99946021380

Aliases

arxiv: 1212.5189 · arxiv_version: 1212.5189v1 · doi: 10.48550/arxiv.1212.5189 · pith_short_12: R3IE6WQRWYKA · pith_short_16: R3IE6WQRWYKAGFNL · pith_short_8: R3IE6WQR

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/R3IE6WQRWYKAGFNL53Q3EW6ZFC \
  | 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: 8ed04f5a11b6140315abeee1b25bd928b91d32997736fb28cae1d99946021380

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2a1d2be11eca2c2f956ef972c04cfc6ca324a1d6afa535f48f5a59304880dcf",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-12-20T18:58:05Z",
    "title_canon_sha256": "8101a0c510c02f8189bf18bc1bf2f2471d908929fd70977abf4d7c9673f2d5bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5189",
    "kind": "arxiv",
    "version": 1
  }
}