Pith Number

pith:NJD7M4SX

pith:2015:NJD7M4SXWSYX6JIJAKIUPZ7PW4

not attested not anchored not stored refs pending

Ultrametric fixed points in reduced axiomatic systems

Mihai Turinici

arxiv:1504.04598 v2 · 2015-04-17 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJD7M4SXWSYX6JIJAKIUPZ7PW4}

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	2026-05-18T02:18:13.203942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a47f67257b4b17f2509029147e7efb70eb4f01e2d7551b9f1942d90414c0aa0

Aliases

arxiv: 1504.04598 · arxiv_version: 1504.04598v2 · doi: 10.48550/arxiv.1504.04598 · pith_short_12: NJD7M4SXWSYX · pith_short_16: NJD7M4SXWSYX6JIJ · pith_short_8: NJD7M4SX

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/NJD7M4SXWSYX6JIJAKIUPZ7PW4 \
  | 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: 6a47f67257b4b17f2509029147e7efb70eb4f01e2d7551b9f1942d90414c0aa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f8028cbf79864c8362d6da5b1d5dd8c78801b86bfa715f115749e9d33b3f991",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2015-04-17T18:31:17Z",
    "title_canon_sha256": "12b053954cf34b1795f7a30ac7438e375f96504710bf5bf08eb22989018b7928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04598",
    "kind": "arxiv",
    "version": 2
  }
}