Pith Number

pith:4MTVWBPL

pith:2014:4MTVWBPL3EKH2LLKS4ISZNQGW5

not attested not anchored not stored refs pending

A note on the zeros and local extrema of Digamma related functions

Istv\'an Mez\H{o}

arxiv:1409.2971 v2 · 2014-09-10 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MTVWBPL3EKH2LLKS4ISZNQGW5}

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	2026-05-18T01:21:05.379642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3275b05ebd9147d2d6a97112cb606b765de4cc6d87f9fae0be1bdf49a9209b3

Aliases

arxiv: 1409.2971 · arxiv_version: 1409.2971v2 · doi: 10.48550/arxiv.1409.2971 · pith_short_12: 4MTVWBPL3EKH · pith_short_16: 4MTVWBPL3EKH2LLK · pith_short_8: 4MTVWBPL

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/4MTVWBPL3EKH2LLKS4ISZNQGW5 \
  | 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: e3275b05ebd9147d2d6a97112cb606b765de4cc6d87f9fae0be1bdf49a9209b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f55e6e3b473c73ac25c62dcd2d96d2772adf61424253341a21707982b96f4b6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-09-10T07:25:51Z",
    "title_canon_sha256": "b190d06067d30d9977d7be896f26d7de9cb931a2ee684bfc5dfc49de128bf796"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2971",
    "kind": "arxiv",
    "version": 2
  }
}