Pith Number

pith:GHEFMQK5

pith:2017:GHEFMQK5QRAGGDDFWRBCIKD2YE

not attested not anchored not stored refs pending

Crystalline metamaterials for topological properties at subwavelength scales

Fabrice Lemoult, Geoffroy Lerosey, Mathias Fink, Romain Fleury, Simon Yves, Thomas Berthelot

arxiv:1705.09225 v1 · 2017-05-25 · 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{GHEFMQK5QRAGGDDFWRBCIKD2YE}

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	2026-05-18T00:43:34.773082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31c856415d8440630c65b44224287ac138851abd56530594c874c7f36cf2b7bc

Aliases

arxiv: 1705.09225 · arxiv_version: 1705.09225v1 · doi: 10.48550/arxiv.1705.09225 · pith_short_12: GHEFMQK5QRAG · pith_short_16: GHEFMQK5QRAGGDDF · pith_short_8: GHEFMQK5

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/GHEFMQK5QRAGGDDFWRBCIKD2YE \
  | 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: 31c856415d8440630c65b44224287ac138851abd56530594c874c7f36cf2b7bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25492463a33e5a45a6f6deb6be81f4b1dc4024055f42e379fb0269074522d234",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-05-25T15:26:29Z",
    "title_canon_sha256": "fafc7ce8cf3ef01e7b17319de42037bcc6c084ffdda6fa871df8252ef5911b8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09225",
    "kind": "arxiv",
    "version": 1
  }
}