Pith Number

pith:EUPZJZUL

pith:2022:EUPZJZULISEJWX7KEADWNQR25T

not attested not anchored not stored refs pending

A Geometric Model for Polarization Imaging on Projective Cameras

Filippo Bergamasco, Mara Pistellato

arxiv:2211.16986 v1 · 2022-11-29 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EUPZJZULISEJWX7KEADWNQR25T}

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	2026-07-05T08:46:15.526972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

251f94e68b44889b5fea200766c23aece52d74c51abcd8c701ada91e2d70a5a2

Aliases

arxiv: 2211.16986 · arxiv_version: 2211.16986v1 · doi: 10.48550/arxiv.2211.16986 · pith_short_12: EUPZJZULISEJ · pith_short_16: EUPZJZULISEJWX7K · pith_short_8: EUPZJZUL

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/EUPZJZULISEJWX7KEADWNQR25T \
  | 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: 251f94e68b44889b5fea200766c23aece52d74c51abcd8c701ada91e2d70a5a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7ab3cb6346dd3ee4887e5530c2443066c33e42518fcc4385eedf6db5cf64723",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-11-29T17:12:26Z",
    "title_canon_sha256": "d739150e4ea8ca760b38c039fd3f1a02cf69c856afe65699327f5d2c7afc7f8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.16986",
    "kind": "arxiv",
    "version": 1
  }
}