Pith Number

pith:SRVEK2LZ

pith:2019:SRVEK2LZNJTVYKIVSINQNLQCKX

not attested not anchored not stored refs pending

Uncalibrated Deflectometry with a Mobile Device on Extended Specular Surfaces

Chia-Kai Yeh, Florian Schiffers, Florian Willomitzer, Marc Walton, Oliver Cossairt, Vikas Gupta, William Spies

arxiv:1907.10700 v1 · 2019-07-24 · 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{SRVEK2LZNJTVYKIVSINQNLQCKX}

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	2026-05-17T23:39:34.716427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

946a4569796a675c2915921b06ae0255cf3a856e5547565a5333018be22212b8

Aliases

arxiv: 1907.10700 · arxiv_version: 1907.10700v1 · doi: 10.48550/arxiv.1907.10700 · pith_short_12: SRVEK2LZNJTV · pith_short_16: SRVEK2LZNJTVYKIV · pith_short_8: SRVEK2LZ

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/SRVEK2LZNJTVYKIVSINQNLQCKX \
  | 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: 946a4569796a675c2915921b06ae0255cf3a856e5547565a5333018be22212b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adeec417121b7a9f8ba209e2cff410abc300b7e05b11a835e1d95143c7636ca5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-24T20:17:32Z",
    "title_canon_sha256": "3569d13432b34725cff0f3911200750ce9969ac431cf28a0f1c0bf935291c406"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10700",
    "kind": "arxiv",
    "version": 1
  }
}