Pith Number

pith:4SQKEOWF

pith:2019:4SQKEOWFQFB2A2NPK6O5DBHQFV

not attested not anchored not stored refs pending

UprightNet: Geometry-Aware Camera Orientation Estimation from Single Images

Eli Shechtman, Jonathan Eisenmann, Matthew Fisher, Noah Snavely, Wenqi Xian, Zhengqi Li

arxiv:1908.07070 v1 · 2019-08-19 · 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{4SQKEOWFQFB2A2NPK6O5DBHQFV}

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	2026-07-04T23:58:30.574224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a0a23ac58143a069af579dd184f02d49025a5a402fc34ddb23ab04862ccf62

Aliases

arxiv: 1908.07070 · arxiv_version: 1908.07070v1 · doi: 10.48550/arxiv.1908.07070 · pith_short_12: 4SQKEOWFQFB2 · pith_short_16: 4SQKEOWFQFB2A2NP · pith_short_8: 4SQKEOWF

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/4SQKEOWFQFB2A2NPK6O5DBHQFV \
  | 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: e4a0a23ac58143a069af579dd184f02d49025a5a402fc34ddb23ab04862ccf62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3e28d68f378f46f74ddda5620073be85971f577791fa5ba346af19d20d152e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-19T21:07:16Z",
    "title_canon_sha256": "34812610dbd7f238c2e5f40002d0c89ed3e71fb67c80fcbf95a5367dcf6f68ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07070",
    "kind": "arxiv",
    "version": 1
  }
}