Pith Number

pith:IOS2RCPN

pith:2015:IOS2RCPNZ7KXEMKRKR2UYJLCBY

not attested not anchored not stored refs pending

Black phosphorus as a new broadband saturable absorber for infrared passively Q-switched fiber lasers

Hao Yu, Ke Yin, Tian Jiang, Xiang-Ai Cheng, Xin Zheng

arxiv:1504.07341 v1 · 2015-04-28 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IOS2RCPNZ7KXEMKRKR2UYJLCBY}

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	2026-05-18T02:17:35.090214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43a5a889edcfd572315154754c25620e3f4e192d57506be6d91c30720cb6ad14

Aliases

arxiv: 1504.07341 · arxiv_version: 1504.07341v1 · doi: 10.48550/arxiv.1504.07341 · pith_short_12: IOS2RCPNZ7KX · pith_short_16: IOS2RCPNZ7KXEMKR · pith_short_8: IOS2RCPN

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/IOS2RCPNZ7KXEMKRKR2UYJLCBY \
  | 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: 43a5a889edcfd572315154754c25620e3f4e192d57506be6d91c30720cb6ad14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6520abc42d9b53ab5b6722019b83d5019cef4f1e37274c2c198b88103a638f98",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-04-28T04:18:52Z",
    "title_canon_sha256": "45119bf13fd5b78f7c513955bee8a5c54165b3e69db1bd4b6516cf238c5f7616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07341",
    "kind": "arxiv",
    "version": 1
  }
}