Pith Number

pith:PIP3GCBA

pith:2013:PIP3GCBAI65U4454FQZGXYX7R2

not attested not anchored not stored refs pending

A General Two-Step Approach to Learning-Based Hashing

Anton van den Hengel, Chunhua Shen, David Suter, Guosheng Lin

arxiv:1309.1853 v1 · 2013-09-07 · cs.LG · 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{PIP3GCBAI65U4454FQZGXYX7R2}

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	2026-05-18T03:13:57.273337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a1fb3082047bb4e73bc2c326be2ff8eb1db17a092e72bbfd9d5620213647afb

Aliases

arxiv: 1309.1853 · arxiv_version: 1309.1853v1 · doi: 10.48550/arxiv.1309.1853 · pith_short_12: PIP3GCBAI65U · pith_short_16: PIP3GCBAI65U4454 · pith_short_8: PIP3GCBA

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/PIP3GCBAI65U4454FQZGXYX7R2 \
  | 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: 7a1fb3082047bb4e73bc2c326be2ff8eb1db17a092e72bbfd9d5620213647afb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29eee5e68611a23ed260b03e392e263e75614e11cdbc54aa1fdd17ff4ab1d7cf",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-09-07T11:33:36Z",
    "title_canon_sha256": "dfb9dfaa037627c253113b91962115a4ab8cf344bfaffa66ef8176e9cea74092"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1853",
    "kind": "arxiv",
    "version": 1
  }
}