Pith Number

pith:ADAN73EY

pith:2015:ADAN73EYS5LQOKCJIMNT2JHLUZ

not attested not anchored not stored refs pending

Background Radiation Cancellation for Free-Space Optical Communications with IM/DD

Pooi-Yuen Kam, Tianyu Song

arxiv:1508.07390 v2 · 2015-08-29 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ADAN73EYS5LQOKCJIMNT2JHLUZ}

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	2026-05-18T00:42:13.542531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00c0dfec989757072849431b3d24eba66503c46f4d48007f8b2d6edefd9e689b

Aliases

arxiv: 1508.07390 · arxiv_version: 1508.07390v2 · doi: 10.48550/arxiv.1508.07390 · pith_short_12: ADAN73EYS5LQ · pith_short_16: ADAN73EYS5LQOKCJ · pith_short_8: ADAN73EY

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/ADAN73EYS5LQOKCJIMNT2JHLUZ \
  | 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: 00c0dfec989757072849431b3d24eba66503c46f4d48007f8b2d6edefd9e689b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ad0296e158f6de8dda6e4fa7f7f34d812f7aa35a65e934a5f0efb4bf42f5264",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-08-29T03:22:58Z",
    "title_canon_sha256": "f80139246a348e19c0af3b8237e39ffadc1230ddf52cfededb11f9c9a7fa1977"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07390",
    "kind": "arxiv",
    "version": 2
  }
}