Pith Number

pith:73EQV6HV

pith:2017:73EQV6HVYTMWN7LAKVPY7YN75F

not attested not anchored not stored refs pending

OCTAD-S: Digital Fast Fourier Transform Spectrometers by FPGA

Hiromitsu Ishibashi, Kazumasa Iwai, Kenichi Harada, Kenji Ema, Takahiro Naoi, Yoshinori Hayashi, Yuichi Chikahiro, Y\^uki Kubo

arxiv:1706.08863 v1 · 2017-06-27 · astro-ph.IM · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{73EQV6HVYTMWN7LAKVPY7YN75F}

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	2026-05-18T00:39:31.216887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fec90af8f5c4d966fd60555f8fe1bfe95fb0bd72400635a2a18ef92b70850332

Aliases

arxiv: 1706.08863 · arxiv_version: 1706.08863v1 · doi: 10.48550/arxiv.1706.08863 · pith_short_12: 73EQV6HVYTMW · pith_short_16: 73EQV6HVYTMWN7LA · pith_short_8: 73EQV6HV

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/73EQV6HVYTMWN7LAKVPY7YN75F \
  | 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: fec90af8f5c4d966fd60555f8fe1bfe95fb0bd72400635a2a18ef92b70850332

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74858faf9d08928b8f153f910a79986e408f26d80539dc3b39f93621e3001e7d",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-06-27T14:00:31Z",
    "title_canon_sha256": "13d31defa478da5075f06032c7475a40e9c53c7a2207d4cf9dafe9340b0b57c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08863",
    "kind": "arxiv",
    "version": 1
  }
}