Pith Number

pith:7Z4M4HV7

pith:2017:7Z4M4HV7BAFHHXWLGUGDWBHZHY

not attested not anchored not stored refs pending

Tunable Metamaterials Fabricated by Fiber Drawing

Alessio Stefani, Alexander Argyros, Daniel Kemsley, James Cordi, Richard Lwin, Simon Fleming, Xiaoli Tang

arxiv:1703.07032 v2 · 2017-03-21 · 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{7Z4M4HV7BAFHHXWLGUGDWBHZHY}

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	2026-05-18T00:41:07.222083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe78ce1ebf080a73decb350c3b04f93e30dc7060350b6375cdfe864b41eb37ef

Aliases

arxiv: 1703.07032 · arxiv_version: 1703.07032v2 · doi: 10.48550/arxiv.1703.07032 · pith_short_12: 7Z4M4HV7BAFH · pith_short_16: 7Z4M4HV7BAFHHXWL · pith_short_8: 7Z4M4HV7

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/7Z4M4HV7BAFHHXWLGUGDWBHZHY \
  | 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: fe78ce1ebf080a73decb350c3b04f93e30dc7060350b6375cdfe864b41eb37ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f88974faef8b92f184f2e50057ba17002aa0e8026d6c46b6d62b9f0e6dbed82",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-03-21T02:54:52Z",
    "title_canon_sha256": "6282dc8001f18d610202d2016d189685813d04b3d779857c3be9bf689804ce63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07032",
    "kind": "arxiv",
    "version": 2
  }
}