Pith Number

pith:77WWVTZG

pith:2020:77WWVTZGTQSDTLHYMAIRNLIXGC

not attested not anchored not stored refs pending

No Routing Needed Between Capsules

Adam Byerly, Ian Dear, Tatiana Kalganova

arxiv:2001.09136 v6 · 2020-01-24 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{77WWVTZGTQSDTLHYMAIRNLIXGC}

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	2026-07-05T02:50:19.341435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffed6acf269c2439acf8601116ad1730a76d9110cd6a407d18c29c0f940a1cc2

Aliases

arxiv: 2001.09136 · arxiv_version: 2001.09136v6 · doi: 10.48550/arxiv.2001.09136 · pith_short_12: 77WWVTZGTQSD · pith_short_16: 77WWVTZGTQSDTLHY · pith_short_8: 77WWVTZG

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/77WWVTZGTQSDTLHYMAIRNLIXGC \
  | 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: ffed6acf269c2439acf8601116ad1730a76d9110cd6a407d18c29c0f940a1cc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7570e05e6add8d9d1b7d6d47256d9c596356379c6b2bc87b49e70fe34be80211",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-01-24T18:37:41Z",
    "title_canon_sha256": "18b1e6f842643e977f7de32a054d97f0391ddd63353495fb3ff8f10212a13af1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.09136",
    "kind": "arxiv",
    "version": 6
  }
}