Pith Number

pith:JHZEK4RY

pith:2019:JHZEK4RYR6EIMYH74LAL2UTT2R

not attested not anchored not stored refs pending

Floors are Flat: Leveraging Semantics for Real-Time Surface Normal Prediction

Alireza Fathi, Irfan Essa, Karthik Raveendran, Kevin Murphy, Steven Hickson

arxiv:1906.06792 v1 · 2019-06-16 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JHZEK4RYR6EIMYH74LAL2UTT2R}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:43:12.646181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49f24572388f888660ffe2c0bd5273d4657a742539259bcecfd0a5214cc94674

Aliases

arxiv: 1906.06792 · arxiv_version: 1906.06792v1 · doi: 10.48550/arxiv.1906.06792 · pith_short_12: JHZEK4RYR6EI · pith_short_16: JHZEK4RYR6EIMYH7 · pith_short_8: JHZEK4RY

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/JHZEK4RYR6EIMYH74LAL2UTT2R \
  | 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: 49f24572388f888660ffe2c0bd5273d4657a742539259bcecfd0a5214cc94674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a8eec8ff1d5ffb4ae79ea57cf998d51014bfff960568f8641782f7082ebe466",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-16T23:01:32Z",
    "title_canon_sha256": "22e66b6c4bfac8cba3db501d8b385d6d5e7890e6e602e096d2ff00142ed83ca0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06792",
    "kind": "arxiv",
    "version": 1
  }
}