Pith Number

pith:WCQ7DCAL

pith:2017:WCQ7DCALOCABUWA47VILHBIVSL

not attested not anchored not stored refs pending

Guided Optical Flow Learning

Alexander G. Hauptmann, Shawn Newsam, Yi Zhu, Zhenzhong Lan

arxiv:1702.02295 v2 · 2017-02-08 · 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{WCQ7DCALOCABUWA47VILHBIVSL}

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	2026-05-18T00:41:07.421393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0a1f1880b70801a581cfd50b3851592e10427abc15fdefde49817ab41a9a853

Aliases

arxiv: 1702.02295 · arxiv_version: 1702.02295v2 · doi: 10.48550/arxiv.1702.02295 · pith_short_12: WCQ7DCALOCAB · pith_short_16: WCQ7DCALOCABUWA4 · pith_short_8: WCQ7DCAL

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/WCQ7DCALOCABUWA47VILHBIVSL \
  | 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: b0a1f1880b70801a581cfd50b3851592e10427abc15fdefde49817ab41a9a853

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dbd8007dc7e1ffd63eb65d444d2a44c33deaa3c425406f3a7aa4f41e1d7d1af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-02-08T05:42:09Z",
    "title_canon_sha256": "43357671ca5f227cf7bbf34eba77f7d46647b04986f212016221941774d16c18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02295",
    "kind": "arxiv",
    "version": 2
  }
}