Pith Number

pith:BDUOYPDH

pith:2014:BDUOYPDHUK4BXXZ5WPPOUT3D7G

not attested not anchored not stored refs pending

Hyperbolic metamaterials: fundamentals and applications

Jonathan Atkinson, Prashant Shekhar, Zubin Jacob

arxiv:1401.2453 v2 · 2014-01-10 · cond-mat.mes-hall · 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{BDUOYPDHUK4BXXZ5WPPOUT3D7G}

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	2026-05-18T02:45:04.435135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08e8ec3c67a2b81bdf3db3deea4f63f98ce4058719788d3c59063eff10e815a7

Aliases

arxiv: 1401.2453 · arxiv_version: 1401.2453v2 · doi: 10.48550/arxiv.1401.2453 · pith_short_12: BDUOYPDHUK4B · pith_short_16: BDUOYPDHUK4BXXZ5 · pith_short_8: BDUOYPDH

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/BDUOYPDHUK4BXXZ5WPPOUT3D7G \
  | 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: 08e8ec3c67a2b81bdf3db3deea4f63f98ce4058719788d3c59063eff10e815a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84543d306294f08e4d29a5caa4e95d2d81af1f02866bb45c9a45253596abf916",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2014-01-10T20:57:45Z",
    "title_canon_sha256": "bff7e4d8f2eca00c8561fd1b2c089afcb3ad664dc397d40f1dcef5873057e652"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2453",
    "kind": "arxiv",
    "version": 2
  }
}