Pith Number

pith:UILP7MOI

pith:2020:UILP7MOIGMSJD4NSFK4AG4LFHF

not attested not anchored not stored refs pending

Arbitrarily Accurate Analytical Approximations for the Error Function

Roy M. Howard

arxiv:2012.04466 v2 · 2020-12-07 · math.GM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UILP7MOIGMSJD4NSFK4AG4LFHF}

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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.

Cited by

1 paper in Pith

A Gaussian-Sinc Pulse Shaping Filter for Zak-OTFS

Receipt and verification

First computed	2026-07-05T04:43:17.614322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a216ffb1c8332491f1b22ab80371653958d33db9a96a0d15a9acecb658928635

Aliases

arxiv: 2012.04466 · arxiv_version: 2012.04466v2 · doi: 10.48550/arxiv.2012.04466 · pith_short_12: UILP7MOIGMSJ · pith_short_16: UILP7MOIGMSJD4NS · pith_short_8: UILP7MOI

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/UILP7MOIGMSJD4NSFK4AG4LFHF \
  | 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: a216ffb1c8332491f1b22ab80371653958d33db9a96a0d15a9acecb658928635

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52f0808f2caa4fcfdd32d1ef4c66009587ab5a1b71d60ec56fccc3c50dc200e7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2020-12-07T09:52:35Z",
    "title_canon_sha256": "fb635aa0d4317459a9ca0d4f7ff96e5ccabc0fae9efbdc4c94bc860ce3f7d2e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04466",
    "kind": "arxiv",
    "version": 2
  }
}