Pith Number

pith:FP27Q2QI

pith:2011:FP27Q2QIVADPG262TXFZJHC2H6

not attested not anchored not stored refs pending

Design of a programmable spiral phase mirror

Fabio Antonio Bovino, Mario Bertolotti, Matteo Braccini

arxiv:1111.3483 v1 · 2011-11-15 · 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{FP27Q2QIVADPG262TXFZJHC2H6}

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	2026-05-18T04:08:14.037438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bf5f86a08a806f36bda9dcb949c5a3fb53bb7873ee0dbc5f1ca2e22e93fb4df

Aliases

arxiv: 1111.3483 · arxiv_version: 1111.3483v1 · doi: 10.48550/arxiv.1111.3483 · pith_short_12: FP27Q2QIVADP · pith_short_16: FP27Q2QIVADPG262 · pith_short_8: FP27Q2QI

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/FP27Q2QIVADPG262TXFZJHC2H6 \
  | 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: 2bf5f86a08a806f36bda9dcb949c5a3fb53bb7873ee0dbc5f1ca2e22e93fb4df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cad99c40d9a51a0aadca6985da4747c2c9a73d3d15cf10245c4f3bb1695dc9ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-11-15T10:11:27Z",
    "title_canon_sha256": "a0123b09b01ff01b0ca6021f5fdf4645dfd2259d7de676a4d3c849ace9a10d1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3483",
    "kind": "arxiv",
    "version": 1
  }
}