Pith Number

pith:GRUFQF4D

pith:2017:GRUFQF4DQZWCJE2OC6ELG33Y5K

not attested not anchored not stored refs pending

Subnanosecond Time-to-Digital Converter Implemented in a Kintex-7 FPGA

Makoto Tomoto, Masahiro Ikeno, Osamu Sasaki, Tomohisa Uchida, Yasuyuki Horii, Yuta Sano

arxiv:1701.05375 v2 · 2017-01-19 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRUFQF4DQZWCJE2OC6ELG33Y5K}

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	2026-05-18T00:25:05.818654Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3468581783866c24934e1788b36f78ea812293ba036760b1ad18dd1ca461ea91

Aliases

arxiv: 1701.05375 · arxiv_version: 1701.05375v2 · doi: 10.48550/arxiv.1701.05375 · pith_short_12: GRUFQF4DQZWC · pith_short_16: GRUFQF4DQZWCJE2O · pith_short_8: GRUFQF4D

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/GRUFQF4DQZWCJE2OC6ELG33Y5K \
  | 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: 3468581783866c24934e1788b36f78ea812293ba036760b1ad18dd1ca461ea91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8d681aa5127022a34e0fff174f83a278d20ff2cd67a0c368c4656455ba2cda1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2017-01-19T11:19:55Z",
    "title_canon_sha256": "83b0e8e0157c5239c38a3b0013be36bca187533ac382ba3b67bd2360848e7826"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05375",
    "kind": "arxiv",
    "version": 2
  }
}