pith. sign in
Pith Number

pith:PEZLOATP

pith:2016:PEZLOATP425KWTDBFMBL5VLYKQ
not attested not anchored not stored refs pending

The geometry of learning

Gianluca Calcagni

arxiv:1605.00591 v3 · 2016-05-02 · q-bio.QM · cs.NE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PEZLOATP425KWTDBFMBL5VLYKQ}

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 2026-05-18T00:17:55.352487Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7932b7026fe6baab4c612b02bed5785433b89f034f4c96e96de9191c4293bc57

Aliases

arxiv: 1605.00591 · arxiv_version: 1605.00591v3 · doi: 10.48550/arxiv.1605.00591 · pith_short_12: PEZLOATP425K · pith_short_16: PEZLOATP425KWTDB · pith_short_8: PEZLOATP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PEZLOATP425KWTDBFMBL5VLYKQ \
  | 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: 7932b7026fe6baab4c612b02bed5785433b89f034f4c96e96de9191c4293bc57
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b6961704557911ef9ac4fa2204ddd23b4c5d46b0dfc4818a56ebe7be99b1855b",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2016-05-02T18:11:17Z",
    "title_canon_sha256": "1e851e28e579282a219c980fee7597f8949b5a237ceab5f6cbf54e77c1155874"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00591",
    "kind": "arxiv",
    "version": 3
  }
}