Pith Number

pith:PPHHHXHG

pith:2019:PPHHHXHGIY74U3WB63ZPIQLKT2

not attested not anchored not stored refs pending

Light transport and vortex-supported wave-guiding in micro-structured optical fibres

Andrey Pryamikov, Gregory Falkovich, Grigory Alagashev, Sergei Turitsyn

arxiv:1904.05085 v1 · 2019-04-10 · 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{PPHHHXHGIY74U3WB63ZPIQLKT2}

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	2026-05-17T23:48:54.188755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bce73dce6463fca6ec1f6f2f4416a9e93a4e87f0d12dfa45afe7c4a93e86b78

Aliases

arxiv: 1904.05085 · arxiv_version: 1904.05085v1 · doi: 10.48550/arxiv.1904.05085 · pith_short_12: PPHHHXHGIY74 · pith_short_16: PPHHHXHGIY74U3WB · pith_short_8: PPHHHXHG

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/PPHHHXHGIY74U3WB63ZPIQLKT2 \
  | 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: 7bce73dce6463fca6ec1f6f2f4416a9e93a4e87f0d12dfa45afe7c4a93e86b78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e046701af34fc8925054d18c412961c849d3028f57740e8d7c8b80c16f918ed8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-04-10T09:33:11Z",
    "title_canon_sha256": "5151bb16540140e71bf9c1b52e5f7c0288ed35224e7e2e0b527d65c384048bb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05085",
    "kind": "arxiv",
    "version": 1
  }
}