Pith Number

pith:2WHMR63E

pith:2008:2WHMR63EWBO4CM6Q53D2DUI25R

not attested not anchored not stored refs pending

Control the high-order harmonics cutoff through the combination of chirped laser and static electric field

Shangqing Gong, Yang Xiang, Yueping Niu

arxiv:0809.2191 v2 · 2008-09-12 · 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{2WHMR63EWBO4CM6Q53D2DUI25R}

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	2026-05-18T02:15:34.733838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d58ec8fb64b05dc133d0eec7a1d11aec420dadbe6e9195db6889f574bdcc6afa

Aliases

arxiv: 0809.2191 · arxiv_version: 0809.2191v2 · doi: 10.48550/arxiv.0809.2191 · pith_short_12: 2WHMR63EWBO4 · pith_short_16: 2WHMR63EWBO4CM6Q · pith_short_8: 2WHMR63E

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/2WHMR63EWBO4CM6Q53D2DUI25R \
  | 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: d58ec8fb64b05dc133d0eec7a1d11aec420dadbe6e9195db6889f574bdcc6afa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eca4a8931c63d0f03f85b0755fb3ce7cb353c3fd83b8d1308f07d09322c201d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-09-12T12:07:28Z",
    "title_canon_sha256": "b85d67ee64ffbe48c3ddf9f78b8a0e5c8cbd5ccdf67168fea568f9897bcd2890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.2191",
    "kind": "arxiv",
    "version": 2
  }
}