Pith Number

pith:D4N62IN7

pith:2012:D4N62IN77Q3GIUM55CJGUNDTW7

not attested not anchored not stored refs pending

Research of the active reflector antenna using laser angle metrology system

Aihua Li, Dehua Yang, Guohua Zhou, Guoping Li, Jie Zhang, Yong Zhang

arxiv:1202.6462 v1 · 2012-02-29 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4N62IN77Q3GIUM55CJGUNDTW7}

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	2026-05-18T01:58:18.406418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f1bed21bffc3664519de8926a3473b7d3854e676eea7f0abceff9db271215f6

Aliases

arxiv: 1202.6462 · arxiv_version: 1202.6462v1 · doi: 10.48550/arxiv.1202.6462 · pith_short_12: D4N62IN77Q3G · pith_short_16: D4N62IN77Q3GIUM5 · pith_short_8: D4N62IN7

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/D4N62IN77Q3GIUM55CJGUNDTW7 \
  | 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: 1f1bed21bffc3664519de8926a3473b7d3854e676eea7f0abceff9db271215f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25d94adf58e8be5fa2a360305f879ac398f47b96b255c56bccf75e773ac4cf20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-02-29T07:21:38Z",
    "title_canon_sha256": "31668a2af56b6996b9a28a19d8453993318ca118524f0c7af1f659146af1928c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6462",
    "kind": "arxiv",
    "version": 1
  }
}