Pith Number

pith:HBGUCSMJ

pith:2019:HBGUCSMJIPWHDY2257TOVA3CIO

not attested not anchored not stored refs pending

Experimental probe of a complete 3D photonic band gap

Cornelis A.M. Harteveld, Diana A. Grishina, Manashee Adhikary, Ravitej Uppu, Willem L. Vos

arxiv:1909.01899 v2 · 2019-09-04 · 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{HBGUCSMJIPWHDY2257TOVA3CIO}

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	2026-07-05T02:40:25.567326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384d41498943ec71e35aefe6ea83624380fcf815879654b4da718a80373c94bf

Aliases

arxiv: 1909.01899 · arxiv_version: 1909.01899v2 · doi: 10.48550/arxiv.1909.01899 · pith_short_12: HBGUCSMJIPWH · pith_short_16: HBGUCSMJIPWHDY22 · pith_short_8: HBGUCSMJ

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/HBGUCSMJIPWHDY2257TOVA3CIO \
  | 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: 384d41498943ec71e35aefe6ea83624380fcf815879654b4da718a80373c94bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c309c795234e1b49cca6850ecf91c495aa5af36fe5eefd5ff16218fac3fd251c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-09-04T15:52:42Z",
    "title_canon_sha256": "731713f8791485351a69945d230bb52217dc1dbc720157ecd568a3ef643d2900"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01899",
    "kind": "arxiv",
    "version": 2
  }
}