Pith Number

pith:SNJWCJOX

pith:2020:SNJWCJOXSNYQLPWS2UNVIBSA2N

not attested not anchored not stored refs pending

Unsupervised Learning of Intrinsic Structural Representation Points

Changhe Tu, Duygu Ceylan, Lingjie Liu, Nenglun Chen, Runnan Chen, Wenping Wang, Zhiming Cui

arxiv:2003.01661 v2 · 2020-03-03 · 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{SNJWCJOXSNYQLPWS2UNVIBSA2N}

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	2026-07-05T00:50:45.409908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93536125d7937105bed2d51b540640d37fe00cc7c47be7de7d92f820a4cf8ad4

Aliases

arxiv: 2003.01661 · arxiv_version: 2003.01661v2 · doi: 10.48550/arxiv.2003.01661 · pith_short_12: SNJWCJOXSNYQ · pith_short_16: SNJWCJOXSNYQLPWS · pith_short_8: SNJWCJOX

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/SNJWCJOXSNYQLPWS2UNVIBSA2N \
  | 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: 93536125d7937105bed2d51b540640d37fe00cc7c47be7de7d92f820a4cf8ad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8470b1e4313929de9fdffb9d8d23e7952659b2a6965416aae4cc33da3eb0019e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-03-03T17:40:00Z",
    "title_canon_sha256": "94812206672fc3a380fe4eaeaa83f8316ab9f0d5da2fb3cd3927e4dfa9355a88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.01661",
    "kind": "arxiv",
    "version": 2
  }
}