Pith Number

pith:KVNJLJUO

pith:2016:KVNJLJUOHQXPF2ZBVIGFOHMPQ6

not attested not anchored not stored refs pending

Experimental characterization of negative refractive index material NRM at Ka band

Shantanu Das, Sougata Chatterjee

arxiv:1607.02916 v1 · 2016-06-27 · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KVNJLJUOHQXPF2ZBVIGFOHMPQ6}

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	2026-05-18T01:11:14.391381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

555a95a68e3c2ef2eb21aa0c571d8f878027e9a7051e26d1958fd68a102aaa3b

Aliases

arxiv: 1607.02916 · arxiv_version: 1607.02916v1 · doi: 10.48550/arxiv.1607.02916 · pith_short_12: KVNJLJUOHQXP · pith_short_16: KVNJLJUOHQXPF2ZB · pith_short_8: KVNJLJUO

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/KVNJLJUOHQXPF2ZBVIGFOHMPQ6 \
  | 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: 555a95a68e3c2ef2eb21aa0c571d8f878027e9a7051e26d1958fd68a102aaa3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec1b2f2dc8efd31f56c684fc572972200cbf89eac1e670157d67f15f4d8b5cd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2016-06-27T10:37:14Z",
    "title_canon_sha256": "79002ca6faed5a953b51e7018f473dbc1c905840af25eddcbf7001667c5cd3c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02916",
    "kind": "arxiv",
    "version": 1
  }
}