Pith Number

pith:PC4WDB6W

pith:2023:PC4WDB6WYIQF6OKYWKCRBCDH2D

not attested not anchored not stored refs pending

PhotoMat: A Material Generator Learned from Single Flash Photos

Kalyan Sunkavalli, Milo\v{s} Ha\v{s}an, Nima Khademi Kalantari, Paul Guerrero, Valentin Deschaintre, Xilong Zhou, Yannick Hold-Geoffroy

arxiv:2305.12296 v2 · 2023-05-20 · cs.CV · cs.AI · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PC4WDB6WYIQF6OKYWKCRBCDH2D}

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	2026-07-05T06:12:51.139436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78b96187d6c2205f3958b285108867d0dc1ba2a7b424b48f77ae67437252ac23

Aliases

arxiv: 2305.12296 · arxiv_version: 2305.12296v2 · doi: 10.48550/arxiv.2305.12296 · pith_short_12: PC4WDB6WYIQF · pith_short_16: PC4WDB6WYIQF6OKY · pith_short_8: PC4WDB6W

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/PC4WDB6WYIQF6OKYWKCRBCDH2D \
  | 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: 78b96187d6c2205f3958b285108867d0dc1ba2a7b424b48f77ae67437252ac23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0ac4ee9ed67fa85f38da24d51bd7822235a067cd34129940c65224be6a1c5e4",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-05-20T22:27:41Z",
    "title_canon_sha256": "b984d2c414c10f0a04b2d308943423422decddd9fc5728bfb680d0cf1f1badda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.12296",
    "kind": "arxiv",
    "version": 2
  }
}