Pith Number

pith:PDCX3E2Q

pith:2016:PDCX3E2QA4HRMFQG7FD2RGHX7T

not attested not anchored not stored refs pending

Quad-networks: unsupervised learning to rank for interest point detection

Akihito Seki, Lubor Ladicky, Marc Pollefeys, Nikolay Savinov, Torsten Sattler

arxiv:1611.07571 v2 · 2016-11-22 · cs.CV · cs.LG · cs.NE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDCX3E2QA4HRMFQG7FD2RGHX7T}

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	2026-05-18T00:46:38.847367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78c57d9350070f161606f947a898f7fcd5cab6c9b4eac25c13c727bc4d388cb6

Aliases

arxiv: 1611.07571 · arxiv_version: 1611.07571v2 · doi: 10.48550/arxiv.1611.07571 · pith_short_12: PDCX3E2QA4HR · pith_short_16: PDCX3E2QA4HRMFQG · pith_short_8: PDCX3E2Q

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/PDCX3E2QA4HRMFQG7FD2RGHX7T \
  | 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: 78c57d9350070f161606f947a898f7fcd5cab6c9b4eac25c13c727bc4d388cb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdd96c75f39a10bbd725b42a2d861c853014b36649cfe9a2405168329e6bfd03",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-11-22T22:46:17Z",
    "title_canon_sha256": "bb8764cc8ac7b425139ebb2ebfad500b273a5cb40fee99e15fdf93a930a241d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.07571",
    "kind": "arxiv",
    "version": 2
  }
}