Pith Number

pith:W273TYQW

pith:2018:W273TYQWBKPYRMWQGYVBFXCPRK

not attested not anchored not stored refs pending

Computing CNN Loss and Gradients for Pose Estimation with Riemannian Geometry

Amir Alansary, Ben Glocker, Benjamin Hou, Bernhard Kainz, Bishesh Khanal, Daniel Rueckert, Jo V. Hajnal, Matthew C.H. Lee, Nina Miolane, Steven McDonagh

arxiv:1805.01026 v3 · 2018-05-02 · 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{W273TYQWBKPYRMWQGYVBFXCPRK}

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	2026-05-18T00:10:37.760602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6bfb9e2160a9f88b2d0362a12dc4f8aaf9b2362d2f37f613d7d50adb21086fb

Aliases

arxiv: 1805.01026 · arxiv_version: 1805.01026v3 · doi: 10.48550/arxiv.1805.01026 · pith_short_12: W273TYQWBKPY · pith_short_16: W273TYQWBKPYRMWQ · pith_short_8: W273TYQW

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/W273TYQWBKPYRMWQGYVBFXCPRK \
  | 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: b6bfb9e2160a9f88b2d0362a12dc4f8aaf9b2362d2f37f613d7d50adb21086fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5319ee6ef57658fe5c7cd253a684eced68388a10c2f7a120cb48bfc49551c8f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-02T21:17:03Z",
    "title_canon_sha256": "a9c521692e8b82ac59c2e2de4658f6cfea1f74a0471393f8b2853ae94c485e6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01026",
    "kind": "arxiv",
    "version": 3
  }
}