Pith Number

pith:26SZE575

pith:2017:26SZE575SEARMMV3PRRPNFKPZP

not attested not anchored not stored refs pending

Surface Normals in the Wild

Donglai Xiang, Jia Deng, Weifeng Chen

arxiv:1704.02956 v1 · 2017-04-10 · 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{26SZE575SEARMMV3PRRPNFKPZP}

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	2026-05-18T00:46:43.554091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7a59277fd91011632bb7c62f6954fcbf8d67b1c8967408259074a7b485fd55e

Aliases

arxiv: 1704.02956 · arxiv_version: 1704.02956v1 · doi: 10.48550/arxiv.1704.02956 · pith_short_12: 26SZE575SEAR · pith_short_16: 26SZE575SEARMMV3 · pith_short_8: 26SZE575

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/26SZE575SEARMMV3PRRPNFKPZP \
  | 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: d7a59277fd91011632bb7c62f6954fcbf8d67b1c8967408259074a7b485fd55e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fac644551c176fbc18f51d207d7b457780cb08effcf8de52a31bc1b5ac9eb8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-04-10T17:13:00Z",
    "title_canon_sha256": "10a225a27a64f46dcc4ecbb80bb6eefa34f0e2d36e3a15f13920e4e56a766187"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02956",
    "kind": "arxiv",
    "version": 1
  }
}