Pith Number

pith:SXF7WAVY

pith:2015:SXF7WAVYAE7ZYIPKUQH7UNGCGO

not attested not anchored not stored refs pending

How distant is the ideal filter of being a causal one?

A. E. Romero, J. M. Almira

arxiv:1502.07650 v1 · 2015-02-26 · 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{SXF7WAVYAE7ZYIPKUQH7UNGCGO}

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	2026-05-18T02:26:03.220414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95cbfb02b8013f9c21eaa40ffa34c2338d86360c911a0694ded5d74684a246b0

Aliases

arxiv: 1502.07650 · arxiv_version: 1502.07650v1 · doi: 10.48550/arxiv.1502.07650 · pith_short_12: SXF7WAVYAE7Z · pith_short_16: SXF7WAVYAE7ZYIPK · pith_short_8: SXF7WAVY

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/SXF7WAVYAE7ZYIPKUQH7UNGCGO \
  | 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: 95cbfb02b8013f9c21eaa40ffa34c2338d86360c911a0694ded5d74684a246b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42051ae6bbbe24d79b7cf9b1d924c0235c08d6d12b7149cd8e6fc88fe93af3dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-02-26T18:02:58Z",
    "title_canon_sha256": "6db4d1789e98617dff60071e9e31c944937721fb93e09c2a44b536b70eb4debc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07650",
    "kind": "arxiv",
    "version": 1
  }
}