Pith Number

pith:TUEIV2GM

pith:2013:TUEIV2GMQ6SOH5YOBECCZMYZKX

not attested not anchored not stored refs pending

Micro-lensed single-mode optical fiber with high numerical aperture

Shinya Kato, Sho Chonan, Takao Aoki

arxiv:1305.5937 v1 · 2013-05-25 · 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{TUEIV2GMQ6SOH5YOBECCZMYZKX}

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	2026-05-18T03:24:53.288164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d088ae8cc87a4e3f70e09042cb31955c0573feefb13e7915a4f11799bf6950e

Aliases

arxiv: 1305.5937 · arxiv_version: 1305.5937v1 · doi: 10.48550/arxiv.1305.5937 · pith_short_12: TUEIV2GMQ6SO · pith_short_16: TUEIV2GMQ6SOH5YO · pith_short_8: TUEIV2GM

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/TUEIV2GMQ6SOH5YOBECCZMYZKX \
  | 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: 9d088ae8cc87a4e3f70e09042cb31955c0573feefb13e7915a4f11799bf6950e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e25975f81431b4bddaee63fe8e81d4fa242dcd605024d9c58963dc0ce2ac9fe5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-05-25T15:08:02Z",
    "title_canon_sha256": "d9ed4f5a08a0a1124777799b851777eb0a50abc95479354022bf6c74e99dcc88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5937",
    "kind": "arxiv",
    "version": 1
  }
}