Pith Number

pith:HIOTURXD

pith:2017:HIOTURXD7IKVJS4BSMATEFAZ6V

not attested not anchored not stored refs pending

Observation of photonic Fermi arcs in topological metamaterials

Alastair P. Hibbins, Benjamin B\'eri, Ben Tremain, Biao Yang, Dianyuan Fan, Hongchao Liu, Lauren E. Barr, Qinghua Guo, Shuang Zhang, Wenlong Gao, Yuanjiang Xiang

arxiv:1706.01439 v1 · 2017-06-05 · 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{HIOTURXD7IKVJS4BSMATEFAZ6V}

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	2026-05-18T00:43:03.564447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a1d3a46e3fa1554cb819301321419f55fe06adf9a93f51286e9ee542fcbdbbb

Aliases

arxiv: 1706.01439 · arxiv_version: 1706.01439v1 · doi: 10.48550/arxiv.1706.01439 · pith_short_12: HIOTURXD7IKV · pith_short_16: HIOTURXD7IKVJS4B · pith_short_8: HIOTURXD

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/HIOTURXD7IKVJS4BSMATEFAZ6V \
  | 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: 3a1d3a46e3fa1554cb819301321419f55fe06adf9a93f51286e9ee542fcbdbbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88ff488a9ee06f5fb83633473cdd96e8f5636311821400332a4a47cbee47cc02",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-06-05T17:44:47Z",
    "title_canon_sha256": "dddedc36b02764358153d0412db12ac884b7eff117cc6d52e67f8f8e6c767a19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01439",
    "kind": "arxiv",
    "version": 1
  }
}