Pith Number

pith:GRYHEV47

pith:2014:GRYHEV47X5ZTJ5MW75RPEXB76Y

not attested not anchored not stored refs pending

On the Constant in The Lower Estimate for the Bernstein Operator

Gancho Tachev, Sorin Gal

arxiv:1410.3502 v1 · 2014-10-13 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRYHEV47X5ZTJ5MW75RPEXB76Y}

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	2026-05-18T02:19:28.131942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

347072579fbf7334f596ff62f25c3ff60085ae7f1676dfe1aec3da6a82ed4f60

Aliases

arxiv: 1410.3502 · arxiv_version: 1410.3502v1 · doi: 10.48550/arxiv.1410.3502 · pith_short_12: GRYHEV47X5ZT · pith_short_16: GRYHEV47X5ZTJ5MW · pith_short_8: GRYHEV47

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/GRYHEV47X5ZTJ5MW75RPEXB76Y \
  | 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: 347072579fbf7334f596ff62f25c3ff60085ae7f1676dfe1aec3da6a82ed4f60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a43e26ea6974d83ac6c4376f92e97b37197a8bdba7780805250141a5afa0fb0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2014-10-13T20:22:02Z",
    "title_canon_sha256": "52f99c2cea87166375839093956e4f7471cb6aecf3b225f75d240781fc060307"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3502",
    "kind": "arxiv",
    "version": 1
  }
}