Pith Number

pith:VL2KI4HH

pith:2013:VL2KI4HHEDH3KHWQUDO4U2P5GY

not attested not anchored not stored refs pending

Attribute-Efficient Evolvability of Linear Functions

Elaine Angelino, Varun Kanade

arxiv:1309.4132 v2 · 2013-09-16 · cs.LG · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VL2KI4HHEDH3KHWQUDO4U2P5GY}

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	2026-05-18T02:54:54.399714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aaf4a470e720cfb51ed0a0ddca69fd3605583bf5bae944c9062e30746a03268d

Aliases

arxiv: 1309.4132 · arxiv_version: 1309.4132v2 · doi: 10.48550/arxiv.1309.4132 · pith_short_12: VL2KI4HHEDH3 · pith_short_16: VL2KI4HHEDH3KHWQ · pith_short_8: VL2KI4HH

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/VL2KI4HHEDH3KHWQUDO4U2P5GY \
  | 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: aaf4a470e720cfb51ed0a0ddca69fd3605583bf5bae944c9062e30746a03268d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "261186cc9dc10196acb2ffcc0214bad03e4df146bc508e7afb987860d7ff504c",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-09-16T22:31:58Z",
    "title_canon_sha256": "202a7929c5e7792a3277cb374694c8089c5bda107f795e7ad41f635b9a3f5579"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4132",
    "kind": "arxiv",
    "version": 2
  }
}