Pith Number

pith:BW3U4WD6

pith:2019:BW3U4WD646QEYCBTGVM2TUU7TW

not attested not anchored not stored refs pending

Siamese Encoding and Alignment by Multiscale Learning with Self-Supervision

Davit Buniatyan, Eric Mitchell, H. Sebastian Seung, Sergiy Popovych, Stefan Keselj

arxiv:1904.02643 v1 · 2019-04-04 · 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{BW3U4WD646QEYCBTGVM2TUU7TW}

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	2026-05-17T23:49:23.128415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0db74e587ee7a04c08333559a9d29f9dbfc4ee4714bd9d836e236dc1a9ca2e43

Aliases

arxiv: 1904.02643 · arxiv_version: 1904.02643v1 · doi: 10.48550/arxiv.1904.02643 · pith_short_12: BW3U4WD646QE · pith_short_16: BW3U4WD646QEYCBT · pith_short_8: BW3U4WD6

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/BW3U4WD646QEYCBTGVM2TUU7TW \
  | 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: 0db74e587ee7a04c08333559a9d29f9dbfc4ee4714bd9d836e236dc1a9ca2e43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1174e4eb22ae19061c99bd6854b1895c649c386adc0d9230033cb29a2a33c746",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-04T16:31:01Z",
    "title_canon_sha256": "dd1a2364e274cb7c991e2a6255db1ef5533ae3c0f97ed3d0481cfb944fea2df3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02643",
    "kind": "arxiv",
    "version": 1
  }
}