Pith Number

pith:25PDGLVX

pith:2011:25PDGLVX4HY3JNIRPTPHBN43N7

not attested not anchored not stored refs pending

Observation of backscattering-immune chiral electromagnetic modes without time reversal breaking

C. T. Chan, He-Zhou Wang, Jian-Wen Dong, Wen-Jie Chen, Xiao Xiao, Zhi Hong Hang

arxiv:1104.5114 v1 · 2011-04-27 · 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{25PDGLVX4HY3JNIRPTPHBN43N7}

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	2026-05-18T01:21:03.183345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d75e332eb7e1f1b4b5117cde70b79b6ffe765b81e84bdd129167f6d24e3f6258

Aliases

arxiv: 1104.5114 · arxiv_version: 1104.5114v1 · doi: 10.48550/arxiv.1104.5114 · pith_short_12: 25PDGLVX4HY3 · pith_short_16: 25PDGLVX4HY3JNIR · pith_short_8: 25PDGLVX

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/25PDGLVX4HY3JNIRPTPHBN43N7 \
  | 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: d75e332eb7e1f1b4b5117cde70b79b6ffe765b81e84bdd129167f6d24e3f6258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df67e3e4564d9f2db0a244bd193991f8e80473b3fc599a0b411d034dc8128d29",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-04-27T11:21:31Z",
    "title_canon_sha256": "6325266345cc62bb3c99e73e68837974f1912f5a675084ff5ed0e25fe930bc72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5114",
    "kind": "arxiv",
    "version": 1
  }
}