Pith Number

pith:VC3IWJFH

pith:2009:VC3IWJFHUUMIEGHZXGIM6YRZNG

not attested not anchored not stored refs pending

Ultrashort pulse characterization by spectral shearing interferometry with spatially chirped ancillae

Dane R. Austin, Ian A. Walmsley, Tobias Witting

arxiv:0908.1245 v1 · 2009-08-09 · 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{VC3IWJFHUUMIEGHZXGIM6YRZNG}

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	2026-05-17T23:50:29.143061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8b68b24a7a5188218f9b990cf6239698e8e169bcacae4974c384b3b0c582ab7

Aliases

arxiv: 0908.1245 · arxiv_version: 0908.1245v1 · doi: 10.48550/arxiv.0908.1245 · pith_short_12: VC3IWJFHUUMI · pith_short_16: VC3IWJFHUUMIEGHZ · pith_short_8: VC3IWJFH

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/VC3IWJFHUUMIEGHZXGIM6YRZNG \
  | 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: a8b68b24a7a5188218f9b990cf6239698e8e169bcacae4974c384b3b0c582ab7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95d83355d6fd3a892fa8e97f7b6c114b85e653b6843191640e15a30b3f83bb78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-08-09T17:39:11Z",
    "title_canon_sha256": "ccc6a0c5315b2367574b2ea7461ca6ccd7a367cc0a6f53651c0a715b0938f656"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1245",
    "kind": "arxiv",
    "version": 1
  }
}