Pith Number

pith:SB4AAZ36

pith:2013:SB4AAZ36YRSJ7DLXXPUPFBMWPY

not attested not anchored not stored refs pending

Light-controlled perfect absorption of light

K. Nireekshan Reddy, S. Dutta Gupta

arxiv:1306.3394 v1 · 2013-06-14 · 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{SB4AAZ36YRSJ7DLXXPUPFBMWPY}

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	2026-05-18T01:49:22.336834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

907800677ec4649f8d77bbe8f285967e3f5c0539c5ea99d2738d50414b465638

Aliases

arxiv: 1306.3394 · arxiv_version: 1306.3394v1 · doi: 10.48550/arxiv.1306.3394 · pith_short_12: SB4AAZ36YRSJ · pith_short_16: SB4AAZ36YRSJ7DLX · pith_short_8: SB4AAZ36

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/SB4AAZ36YRSJ7DLXXPUPFBMWPY \
  | 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: 907800677ec4649f8d77bbe8f285967e3f5c0539c5ea99d2738d50414b465638

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd61f915fbc1633ee28d23a3506b10db02c445259f74436a3c97095a4c9e76c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-06-14T13:33:53Z",
    "title_canon_sha256": "9ea70eb9d522115559531a4dedd7eb5b2245cfaf88ececad32de243efb3f6671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3394",
    "kind": "arxiv",
    "version": 1
  }
}