Pith Number

pith:BTWYIPMQ

pith:2019:BTWYIPMQV3CT6XDCHSPW7S7CZW

not attested not anchored not stored refs pending

Morphing a Stereogram into Hologram

Enrique Canessa, Livio Tenze

arxiv:1905.01727 v1 · 2019-05-05 · eess.IV · 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{BTWYIPMQV3CT6XDCHSPW7S7CZW}

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	2026-07-05T00:29:19.698956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ced843d90aec53f5c623c9f6fcbe2cd80c76b8ebf5f0504e2eb51ba2c07b656

Aliases

arxiv: 1905.01727 · arxiv_version: 1905.01727v1 · doi: 10.48550/arxiv.1905.01727 · pith_short_12: BTWYIPMQV3CT · pith_short_16: BTWYIPMQV3CT6XDC · pith_short_8: BTWYIPMQ

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/BTWYIPMQV3CT6XDCHSPW7S7CZW \
  | 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: 0ced843d90aec53f5c623c9f6fcbe2cd80c76b8ebf5f0504e2eb51ba2c07b656

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41e11068069effd9021f4f8f5d3f23dcf9382aa3e9cb56bad54fe9a9e9636dd9",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-05-05T18:10:36Z",
    "title_canon_sha256": "75176f9b9adbdc7702dbfa3f9da3c6a3d8bd1d4853a996eadaf560665ccd891e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01727",
    "kind": "arxiv",
    "version": 1
  }
}