Pith Number

pith:R3GSEI4G

pith:2016:R3GSEI4G3MM2C3UG2B55K43HSH

not attested not anchored not stored refs pending

Terahertz plasmonic laser radiating in an ultra-narrow beam

Chongzhao Wu, John L. Reno, Sudeep Khanal, Sushil Kumar

arxiv:1604.04977 v2 · 2016-04-18 · 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{R3GSEI4G3MM2C3UG2B55K43HSH}

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	2026-05-18T01:10:37.706911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ecd222386db19a16e86d07bd5736791e851684b2dbc564bce046128ca31ad52

Aliases

arxiv: 1604.04977 · arxiv_version: 1604.04977v2 · doi: 10.48550/arxiv.1604.04977 · pith_short_12: R3GSEI4G3MM2 · pith_short_16: R3GSEI4G3MM2C3UG · pith_short_8: R3GSEI4G

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/R3GSEI4G3MM2C3UG2B55K43HSH \
  | 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: 8ecd222386db19a16e86d07bd5736791e851684b2dbc564bce046128ca31ad52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d24288ffbc5301e42afbef3a0492c474de079fd960c497279be1b2cedff2823",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-04-18T03:46:14Z",
    "title_canon_sha256": "77e891a75c1ffd358e6c8766e1f145c9870487a629ab2c66b0bad6df034e1609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04977",
    "kind": "arxiv",
    "version": 2
  }
}