Pith Number

pith:7OI3FSKH

pith:2008:7OI3FSKHMMUOTJALMY5F3QUXV6

not attested not anchored not stored refs pending

Strong gyrotopy in a chiral toroidal medium

A. D. Boardman, K. Marinov, N. I. Zheludev, N. Papasimakis, V. A. Fedotov

arxiv:0810.3539 v1 · 2008-10-20 · 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{7OI3FSKHMMUOTJALMY5F3QUXV6}

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	2026-05-18T04:41:35.117488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb91b2c9476328e9a40b663a5dc297afb8f9a1e7ab7eab9b3a92fab502d0d452

Aliases

arxiv: 0810.3539 · arxiv_version: 0810.3539v1 · doi: 10.48550/arxiv.0810.3539 · pith_short_12: 7OI3FSKHMMUO · pith_short_16: 7OI3FSKHMMUOTJAL · pith_short_8: 7OI3FSKH

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/7OI3FSKHMMUOTJALMY5F3QUXV6 \
  | 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: fb91b2c9476328e9a40b663a5dc297afb8f9a1e7ab7eab9b3a92fab502d0d452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "710019f1e7992a84b35da3a0f4c9e179a1b18f5680ef94ff3a2f06071a436f29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-10-20T11:58:04Z",
    "title_canon_sha256": "a56bd439f47bddec2578800d8767ef0b4bfa4cf6d7aa4de1e05427c1003fcb60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3539",
    "kind": "arxiv",
    "version": 1
  }
}