Pith Number

pith:KTFFNU36

pith:2025:KTFFNU36YYPC2C3RVLPJHKECE4

not attested not anchored not stored refs pending

PULSE-A Mission Overview: Optical Communications for Undergraduate Students

Catherine Todd, Graydon Schulze-Kalt, John Baird, Juan Ignacio Prieto Asbun, Lauren Ayala, Leah Vashevko, Logan Hanssler, Mason McCormack, Maya McDaniel, Michael Lembeck, Robert Pitu, Rohan Gupta, Seth Knights, Sofia Mansilla, Spencer Shelton, Tian Zhong, Vincent Redwine

arxiv:2507.05684 v1 · 2025-07-08 · physics.ed-ph · physics.optics · physics.space-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{KTFFNU36YYPC2C3RVLPJHKECE4}

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	2026-07-05T11:33:34.712755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54ca56d37ec61e2d0b71aade93a8822703349fa04fde43d383fdc22ad5af302d

Aliases

arxiv: 2507.05684 · arxiv_version: 2507.05684v1 · doi: 10.48550/arxiv.2507.05684 · pith_short_12: KTFFNU36YYPC · pith_short_16: KTFFNU36YYPC2C3R · pith_short_8: KTFFNU36

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/KTFFNU36YYPC2C3RVLPJHKECE4 \
  | 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: 54ca56d37ec61e2d0b71aade93a8822703349fa04fde43d383fdc22ad5af302d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5752729b8826ed633b0386af874503c90b3b713c7e8c3ee766f51426ea4405eb",
    "cross_cats_sorted": [
      "physics.optics",
      "physics.space-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2025-07-08T05:28:22Z",
    "title_canon_sha256": "b70a311a305112973a8905f6a33809a29dec990dfe5f0b577df1075edb194b01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.05684",
    "kind": "arxiv",
    "version": 1
  }
}