Pith Number

pith:R7ZKHDEM

pith:2014:R7ZKHDEMS7D5A24NP376VCB2VY

not attested not anchored not stored refs pending

Group delay in THz spectroscopy with ultra-wideband log-spiral antennae

A. Deninger, A. Roggenbuck, I. C\'amara Mayorga, J. Hemberger, K. Thirunavukkuarasu, M. Gr\"uninger, M. Langenbach

arxiv:1406.6589 v1 · 2014-06-25 · 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{R7ZKHDEMS7D5A24NP376VCB2VY}

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	2026-05-18T02:41:03.438308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ff2a38c8c97c7d06b8d7effea883aae3f60187693c87ab2c60fb12e63ea79a2

Aliases

arxiv: 1406.6589 · arxiv_version: 1406.6589v1 · doi: 10.48550/arxiv.1406.6589 · pith_short_12: R7ZKHDEMS7D5 · pith_short_16: R7ZKHDEMS7D5A24N · pith_short_8: R7ZKHDEM

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/R7ZKHDEMS7D5A24NP376VCB2VY \
  | 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: 8ff2a38c8c97c7d06b8d7effea883aae3f60187693c87ab2c60fb12e63ea79a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cf055aca97ffa9c4c0b7dc4a78aa08c8541089eaa6759e6215e78c565f72095",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-06-25T14:43:10Z",
    "title_canon_sha256": "f2c93aa8d2848738f1a650ac384cc5d71863e7e0d88748d8844074d892d2727b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.6589",
    "kind": "arxiv",
    "version": 1
  }
}