Pith Number

pith:D4NWTGTJ

pith:2015:D4NWTGTJUSICGMXWE5MHPY7Y5F

not attested not anchored not stored refs pending

All-optical bandwidth-tailorable radar

Hao Zhang, Jianping Chen, Siteng Zhang, Weiwen Zou, Xin Long, Yuanjun Cui

arxiv:1508.05370 v2 · 2015-08-20 · physics.ins-det · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4NWTGTJUSICGMXWE5MHPY7Y5F}

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	2026-05-18T01:20:50.340536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f1b699a69a4902332f6275877e3f8e944a2bc01232498f323e4967d57e35d8d

Aliases

arxiv: 1508.05370 · arxiv_version: 1508.05370v2 · doi: 10.48550/arxiv.1508.05370 · pith_short_12: D4NWTGTJUSIC · pith_short_16: D4NWTGTJUSICGMXW · pith_short_8: D4NWTGTJ

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/D4NWTGTJUSICGMXWE5MHPY7Y5F \
  | 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: 1f1b699a69a4902332f6275877e3f8e944a2bc01232498f323e4967d57e35d8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8e976e5bdaee09b0b041f519b06e7fba6593faaabc125e73cd214528ca55278",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2015-08-20T17:05:19Z",
    "title_canon_sha256": "781785740f8b75daad5b1f75b181498875c3403f4f1a06d78b1b6b70e0e8d59a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05370",
    "kind": "arxiv",
    "version": 2
  }
}