Pith Number

pith:YHZLHM2T

pith:2013:YHZLHM2T3JYOTO6PSQ4FUC4GUO

not attested not anchored not stored refs pending

On approximation schemes and compactness

A. G. Aksoy, J. M. Almira

arxiv:1311.2385 v1 · 2013-11-11 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHZLHM2T3JYOTO6PSQ4FUC4GUO}

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	2026-05-18T03:07:32.805451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1f2b3b353da70e9bbcf94385a0b86a3b3f451e73f3072687092717af9558b6d

Aliases

arxiv: 1311.2385 · arxiv_version: 1311.2385v1 · doi: 10.48550/arxiv.1311.2385 · pith_short_12: YHZLHM2T3JYO · pith_short_16: YHZLHM2T3JYOTO6P · pith_short_8: YHZLHM2T

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/YHZLHM2T3JYOTO6PSQ4FUC4GUO \
  | 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: c1f2b3b353da70e9bbcf94385a0b86a3b3f451e73f3072687092717af9558b6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3250cd76f70a6ea3d66ca70ab4261f37357b5b06b03af0f3d5be788d3e60a7ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-11-11T09:04:55Z",
    "title_canon_sha256": "283f5f9561aac91a818eb3055b686db4916983ceb729f66f9a7a68ef8926e241"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2385",
    "kind": "arxiv",
    "version": 1
  }
}