Pith Number

pith:UB5EBGKT

pith:2016:UB5EBGKTXNEYY5XSSXZMHQ7JDI

not attested not anchored not stored refs pending

NP-Hardness of Reed-Solomon Decoding, and the Prouhet-Tarry-Escott Problem

Badih Ghazi, Elena Grigorescu, Venkata Gandikota

arxiv:1611.03069 v1 · 2016-11-09 · cs.IT · cs.CC · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UB5EBGKTXNEYY5XSSXZMHQ7JDI}

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	2026-05-18T00:59:42.681089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a07a409953bb498c76f295f2c3c3e91a28f0c2a4c959bccbecef51797a292dcd

Aliases

arxiv: 1611.03069 · arxiv_version: 1611.03069v1 · doi: 10.48550/arxiv.1611.03069 · pith_short_12: UB5EBGKTXNEY · pith_short_16: UB5EBGKTXNEYY5XS · pith_short_8: UB5EBGKT

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/UB5EBGKTXNEYY5XSSXZMHQ7JDI \
  | 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: a07a409953bb498c76f295f2c3c3e91a28f0c2a4c959bccbecef51797a292dcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33ee58373634fe0d3eaea7481a564ade6c92358796de5f4bdcbca1e022c100d7",
    "cross_cats_sorted": [
      "cs.CC",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-11-09T20:15:55Z",
    "title_canon_sha256": "07715bfb8eaa1d6fe9b7fff245c2ffbd45e71e85d1850b763f5c7d972b60eb48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.03069",
    "kind": "arxiv",
    "version": 1
  }
}