Pith Number

pith:K4JD7W4F

pith:2025:K4JD7W4F73M3WUY4ET4IHCRJDY

not attested not anchored not stored refs pending

Universal structure of propagation-invariant optical pulses

Ayman F. Abouraddy, Dillon Ramsey, John P. Palastro, Jorge Vieira, Rafael Russo Almeida

arxiv:2503.13760 v1 · 2025-03-17 · physics.optics · physics.plasm-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{K4JD7W4F73M3WUY4ET4IHCRJDY}

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	2026-07-05T10:33:17.636945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57123fdb85fed9bb531c24f8838a291e25256b4bbdf267ead2a0be95057a108d

Aliases

arxiv: 2503.13760 · arxiv_version: 2503.13760v1 · doi: 10.48550/arxiv.2503.13760 · pith_short_12: K4JD7W4F73M3 · pith_short_16: K4JD7W4F73M3WUY4 · pith_short_8: K4JD7W4F

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/K4JD7W4F73M3WUY4ET4IHCRJDY \
  | 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: 57123fdb85fed9bb531c24f8838a291e25256b4bbdf267ead2a0be95057a108d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad4197ced633fe6e990e8090d4bc81e3d4fdcf0c72e726b6180603190e140c2d",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-03-17T22:46:42Z",
    "title_canon_sha256": "b558d4145fa8960dc388b8d1e269b79b034951d2bb6e99a5ecc04f0d1d187e4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.13760",
    "kind": "arxiv",
    "version": 1
  }
}