Pith Number

pith:7NHZ3GII

pith:2020:7NHZ3GIITN56Z5U757R6SGABA6

not attested not anchored not stored refs pending

Huffman-Coded Sphere Shaping for Extended-Reach Single-Span Links

David S. Millar, Ian Phillips, Keisuke Kojima, Kieran Parsons, Pavel Skvortcov, Toshiaki Koike-Akino, Wladek Forysiak

arxiv:2008.02313 v1 · 2020-08-05 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7NHZ3GIITN56Z5U757R6SGABA6}

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	2026-07-05T01:25:03.975717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb4f9d99089b7becf69fefe3e91801078bd47de810ea2b1bb3556dfd36494db6

Aliases

arxiv: 2008.02313 · arxiv_version: 2008.02313v1 · doi: 10.48550/arxiv.2008.02313 · pith_short_12: 7NHZ3GIITN56 · pith_short_16: 7NHZ3GIITN56Z5U7 · pith_short_8: 7NHZ3GII

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/7NHZ3GIITN56Z5U757R6SGABA6 \
  | 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: fb4f9d99089b7becf69fefe3e91801078bd47de810ea2b1bb3556dfd36494db6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dec665dc2d4abc7d5b7b47146f171b08332c0475ff061cffe15c912d1af47517",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-08-05T18:46:36Z",
    "title_canon_sha256": "75df1636e9eddb60a25578bde3331c3b817333663ff971e535ae45bb669319bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.02313",
    "kind": "arxiv",
    "version": 1
  }
}