Pith Number

pith:PGZVFQTY

pith:2021:PGZVFQTYG7IFDM7YXRVJZJYXRW

not attested not anchored not stored refs pending

OffCon$^3$: What is state of the art anyway?

Philip J. Ball, Stephen J. Roberts

arxiv:2101.11331 v2 · 2021-01-27 · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGZVFQTYG7IFDM7YXRVJZJYXRW}

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	2026-07-05T02:22:40.663378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79b352c27837d051b3f8bc6a9ca7178da7d1f40c961cc6f807c8e47999a9d8f0

Aliases

arxiv: 2101.11331 · arxiv_version: 2101.11331v2 · doi: 10.48550/arxiv.2101.11331 · pith_short_12: PGZVFQTYG7IF · pith_short_16: PGZVFQTYG7IFDM7Y · pith_short_8: PGZVFQTY

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/PGZVFQTYG7IFDM7YXRVJZJYXRW \
  | 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: 79b352c27837d051b3f8bc6a9ca7178da7d1f40c961cc6f807c8e47999a9d8f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "878bf0151ccbacf047160c401e9575842a940c4d1f5937112da9912365071c91",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-01-27T11:45:08Z",
    "title_canon_sha256": "9f2addac0b1d4ca284bcea507ee6e004adeee3833a4b536ed9eb09c7bbf72b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.11331",
    "kind": "arxiv",
    "version": 2
  }
}