Pith Number

pith:PDXDQ3TS

pith:2008:PDXDQ3TSRXYDE5STJFZ6XO4KGR

not attested not anchored not stored refs pending

Is the phase of plane waves a frame-independent quantity?

Aleksandar Gjurchinovski

arxiv:0801.3149 v2 · 2008-01-21 · physics.optics · physics.class-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{PDXDQ3TSRXYDE5STJFZ6XO4KGR}

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	2026-05-18T04:09:04.106467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78ee386e728df03276534973ebbb8a344817ea37691ca7b5cf8db3117102b323

Aliases

arxiv: 0801.3149 · arxiv_version: 0801.3149v2 · doi: 10.48550/arxiv.0801.3149 · pith_short_12: PDXDQ3TSRXYD · pith_short_16: PDXDQ3TSRXYDE5ST · pith_short_8: PDXDQ3TS

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/PDXDQ3TSRXYDE5STJFZ6XO4KGR \
  | 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: 78ee386e728df03276534973ebbb8a344817ea37691ca7b5cf8db3117102b323

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b6c85bc02f6b57708d0b7e3785be87aa3a57bf7e9a3a2d0e96bc9517aadf783",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-01-21T08:44:34Z",
    "title_canon_sha256": "d413c81bb2879b1fcefb1194d5ccc0fbc0732486b766226c84e64f7558271ca7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3149",
    "kind": "arxiv",
    "version": 2
  }
}