Pith Number

pith:C7AD5LFU

pith:2017:C7AD5LFUSGT7YI3FREMSCQ7SW7

not attested not anchored not stored refs pending

New proofs of the operator monotony of the square root and the inverse

Mohammed Hichem Mortad

arxiv:1703.03720 v1 · 2017-03-09 · 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{C7AD5LFUSGT7YI3FREMSCQ7SW7}

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	2026-05-18T00:48:55.993013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17c03eacb491a7fc236589192143f2b7dde0885b6f24b41fb64488a45f0e8937

Aliases

arxiv: 1703.03720 · arxiv_version: 1703.03720v1 · doi: 10.48550/arxiv.1703.03720 · pith_short_12: C7AD5LFUSGT7 · pith_short_16: C7AD5LFUSGT7YI3F · pith_short_8: C7AD5LFU

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/C7AD5LFUSGT7YI3FREMSCQ7SW7 \
  | 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: 17c03eacb491a7fc236589192143f2b7dde0885b6f24b41fb64488a45f0e8937

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09f676be9018f51a35d58abd121addbf2635b1950e0f0997584feb2d4f180f94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-03-09T10:11:00Z",
    "title_canon_sha256": "7599dd5823a7f2a96043363476a0254b3cc6620c553e3702cef7900c72892218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03720",
    "kind": "arxiv",
    "version": 1
  }
}