Pith Number

pith:3TN3RABO

pith:2016:3TN3RABO36EPUUGBLZHTBNVOFJ

not attested not anchored not stored refs pending

The right time to learn: mechanisms and optimization of spaced learning

John H. Byrne, Paul Smolen, Yili Zhang

arxiv:1606.08370 v1 · 2016-06-27 · q-bio.NC · q-bio.MN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TN3RABO36EPUUGBLZHTBNVOFJ}

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	2026-05-18T01:11:52.259763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcdbb8802edf88fa50c15e4f30b6ae2a70167ca534a1d4646e44ff2d7e340371

Aliases

arxiv: 1606.08370 · arxiv_version: 1606.08370v1 · doi: 10.48550/arxiv.1606.08370 · pith_short_12: 3TN3RABO36EP · pith_short_16: 3TN3RABO36EPUUGB · pith_short_8: 3TN3RABO

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/3TN3RABO36EPUUGBLZHTBNVOFJ \
  | 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: dcdbb8802edf88fa50c15e4f30b6ae2a70167ca534a1d4646e44ff2d7e340371

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fbe6e2363c5a5028a0049d46d6d8f78d028e7a7a3d96344c03ae95652b8029e",
    "cross_cats_sorted": [
      "q-bio.MN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2016-06-27T17:16:25Z",
    "title_canon_sha256": "395f7331c77d264b11e994f604024846c0e76170a9b9f26d87ba5ba699f669bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08370",
    "kind": "arxiv",
    "version": 1
  }
}