Pith Number

pith:M5KIC7UE

pith:2009:M5KIC7UEULLZCUTQJRBR7RREGO

not attested not anchored not stored refs pending

On the Inverse Problem Relative to Dynamics of the w Function

Chaohua Jia

arxiv:0901.3834 v1 · 2009-01-24 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M5KIC7UEULLZCUTQJRBR7RREGO}

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	2026-05-18T02:14:56.004971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6754817e84a2d79152704c431fc62433b7755f37eb077f391fb9b1bad30e4985

Aliases

arxiv: 0901.3834 · arxiv_version: 0901.3834v1 · doi: 10.48550/arxiv.0901.3834 · pith_short_12: M5KIC7UEULLZ · pith_short_16: M5KIC7UEULLZCUTQ · pith_short_8: M5KIC7UE

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/M5KIC7UEULLZCUTQJRBR7RREGO \
  | 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: 6754817e84a2d79152704c431fc62433b7755f37eb077f391fb9b1bad30e4985

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e12521a7920bcb9d7d192d5c902c5b553b412d345dc6e6083281ba8d5a754103",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2009-01-24T14:03:16Z",
    "title_canon_sha256": "9fe49523b0d5e499b46ad37e86f8c9bc222d252b9d4f969fae32a5980515f28f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3834",
    "kind": "arxiv",
    "version": 1
  }
}