Pith Number

pith:7X4FYTLA

pith:2015:7X4FYTLAM42EP4RJEQZYTULU4X

not attested not anchored not stored refs pending

When VLAD met Hilbert

Fatih Porikli, Mathieu Salzmann, Mehrtash Harandi

arxiv:1507.08373 v1 · 2015-07-30 · 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{7X4FYTLAM42EP4RJEQZYTULU4X}

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	2026-05-18T01:36:06.667530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdf85c4d60673447f229243389d174e5f3c514ac2d37d64bc7b5a97e14ae8d06

Aliases

arxiv: 1507.08373 · arxiv_version: 1507.08373v1 · doi: 10.48550/arxiv.1507.08373 · pith_short_12: 7X4FYTLAM42E · pith_short_16: 7X4FYTLAM42EP4RJ · pith_short_8: 7X4FYTLA

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/7X4FYTLAM42EP4RJEQZYTULU4X \
  | 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: fdf85c4d60673447f229243389d174e5f3c514ac2d37d64bc7b5a97e14ae8d06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f53aa78ee938e7ebb75e18053695fc0986dab8c27da2de206d34e7ddf293a3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-07-30T04:17:02Z",
    "title_canon_sha256": "453a40bd3881c2253ec22406459ec538b5164cb706a8ed2033c3ed44bf5d1870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08373",
    "kind": "arxiv",
    "version": 1
  }
}