Pith Number

pith:2ZKY7VNY

pith:2017:2ZKY7VNYYKRND232EI54KBPUND

not attested not anchored not stored refs pending

Machine Learning, Deepest Learning: Statistical Data Assimilation Problems

Henry Abarbanel, Paul Rozdeba, Sasha Shirman

arxiv:1707.01415 v1 · 2017-07-05 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZKY7VNYYKRND232EI54KBPUND}

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	2026-05-18T00:40:52.396982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6558fd5b8c2a2d1eb7a223bc505f468ecb51b1791d5e42762a392fdef0862a7

Aliases

arxiv: 1707.01415 · arxiv_version: 1707.01415v1 · doi: 10.48550/arxiv.1707.01415 · pith_short_12: 2ZKY7VNYYKRN · pith_short_16: 2ZKY7VNYYKRND232 · pith_short_8: 2ZKY7VNY

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/2ZKY7VNYYKRND232EI54KBPUND \
  | 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: d6558fd5b8c2a2d1eb7a223bc505f468ecb51b1791d5e42762a392fdef0862a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad181111fa9dc2fa3b68adfb4fccfbe8a9dda9b9fb1bd98a764a8d63d6b8a86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-07-05T14:23:00Z",
    "title_canon_sha256": "2be97af28ec4e4aa1bb590b000120cb80f22a5d473b59cc703ec342386930b65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01415",
    "kind": "arxiv",
    "version": 1
  }
}