Pith Number

pith:GR4HQMNE

pith:2015:GR4HQMNEWCEM3GBBQWDJ7ZLBNB

not attested not anchored not stored refs pending

Perfect interference-less absorption at infrared frequencies by a van der Waal's crystal

D. G. Baranov, J. H. Edgar, Joshua D. Caldwell, Nabil Bassim, Tim Hoffman

arxiv:1510.03838 v1 · 2015-10-13 · physics.optics · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GR4HQMNEWCEM3GBBQWDJ7ZLBNB}

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	2026-05-18T01:26:40.981685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34787831a4b088cd982185869fe5616878f8f2eb23e2f419917f31e21a612359

Aliases

arxiv: 1510.03838 · arxiv_version: 1510.03838v1 · doi: 10.48550/arxiv.1510.03838 · pith_short_12: GR4HQMNEWCEM · pith_short_16: GR4HQMNEWCEM3GBB · pith_short_8: GR4HQMNE

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/GR4HQMNEWCEM3GBBQWDJ7ZLBNB \
  | 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: 34787831a4b088cd982185869fe5616878f8f2eb23e2f419917f31e21a612359

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ed65533603ed2442dae28a5e3327c44cce0a1efafcd85f289de48e120720aed",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-10-13T19:48:06Z",
    "title_canon_sha256": "544457ae381eb060cec1f1c663a19f452db6b6ec23898389b72bbb8b41a889d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.03838",
    "kind": "arxiv",
    "version": 1
  }
}