Pith Number

pith:4SSNP74T

pith:2009:4SSNP74T3XQ3KWXAP3ISMSELMZ

not attested not anchored not stored refs pending

Uniqueness of nontrivially complete monotonicity for a class of functions involving polygamma functions

Bai-Ni Guo, Feng Qi

arxiv:0904.1104 v2 · 2009-04-07 · 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{4SSNP74T3XQ3KWXAP3ISMSELMZ}

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	2026-05-18T04:34:55.532424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a4d7ff93dde1b55ae07ed126488b664bcc52c45243c201b4b4fbb266512c67

Aliases

arxiv: 0904.1104 · arxiv_version: 0904.1104v2 · doi: 10.48550/arxiv.0904.1104 · pith_short_12: 4SSNP74T3XQ3 · pith_short_16: 4SSNP74T3XQ3KWXA · pith_short_8: 4SSNP74T

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/4SSNP74T3XQ3KWXAP3ISMSELMZ \
  | 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: e4a4d7ff93dde1b55ae07ed126488b664bcc52c45243c201b4b4fbb266512c67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e80f0e7dbb2726454b67f708dedc95f797181af6c3a51a8633951898ec38ca27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2009-04-07T10:34:01Z",
    "title_canon_sha256": "41860beadf7818a7806d6f42887b80708ad668a7dc3be30d9de693545a0cc3bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1104",
    "kind": "arxiv",
    "version": 2
  }
}