Pith Number

pith:AOIPX6OL

pith:2008:AOIPX6OLGBFFZ5TLZNN2J3TAWB

not attested not anchored not stored refs pending

Optical pulse propagation with minimal approximations

Paul Kinsler

arxiv:0810.5689 v7 · 2008-10-31 · 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{AOIPX6OLGBFFZ5TLZNN2J3TAWB}

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	2026-05-18T02:52:04.526904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0390fbf9cb304a5cf66bcb5ba4ee60b05dacb4cb40f76ea56e993f96dcf9b5c0

Aliases

arxiv: 0810.5689 · arxiv_version: 0810.5689v7 · doi: 10.48550/arxiv.0810.5689 · pith_short_12: AOIPX6OLGBFF · pith_short_16: AOIPX6OLGBFFZ5TL · pith_short_8: AOIPX6OL

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/AOIPX6OLGBFFZ5TLZNN2J3TAWB \
  | 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: 0390fbf9cb304a5cf66bcb5ba4ee60b05dacb4cb40f76ea56e993f96dcf9b5c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a16477fbdc7ecdc601bd52b7f99a579d5b0705ba75ee3a98450df4fcc949cbbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-10-31T15:05:15Z",
    "title_canon_sha256": "36aa5839723dbbb2a58cc8a4a7b3eb1a26882cf2b739590739ef643b66407a71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.5689",
    "kind": "arxiv",
    "version": 7
  }
}