Pith Number

pith:FJPPR35W

pith:2018:FJPPR35WZVD6H3RZNMRU3YUV4S

not attested not anchored not stored refs pending

Optical Cages

H. Grebel, J. P. Walker, V. Kumar

arxiv:1807.05915 v3 · 2018-07-16 · 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{FJPPR35WZVD6H3RZNMRU3YUV4S}

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	2026-05-17T23:41:17.971241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a5ef8efb6cd47e3ee396b234de295e4a026fd7f52c940eb9c30b273347c1660

Aliases

arxiv: 1807.05915 · arxiv_version: 1807.05915v3 · doi: 10.48550/arxiv.1807.05915 · pith_short_12: FJPPR35WZVD6 · pith_short_16: FJPPR35WZVD6H3RZ · pith_short_8: FJPPR35W

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/FJPPR35WZVD6H3RZNMRU3YUV4S \
  | 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: 2a5ef8efb6cd47e3ee396b234de295e4a026fd7f52c940eb9c30b273347c1660

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0f4aaa6d53921785348af549e6d1311e2707fdc94aec31d9913fcd134b00199",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-07-16T15:21:05Z",
    "title_canon_sha256": "247ab67545ecf0ba45f3f85fce6ee4e95ceaace6565fbc6906c6b910daa61425"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05915",
    "kind": "arxiv",
    "version": 3
  }
}