Pith Number

pith:H27IIKVQ

pith:2015:H27IIKVQSTSTKK4Y4GD7PP3VYP

not attested not anchored not stored refs pending

Problems around polynomials - the good, the bad and the ugly ...

B.Shapiro

arxiv:1503.05295 v1 · 2015-03-18 · 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{H27IIKVQSTSTKK4Y4GD7PP3VYP}

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	2026-05-18T02:21:50.839042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ebe842ab094e5352b98e187f7bf75c3f6db7d8dbfc13628efff6b6f3bfb64bf

Aliases

arxiv: 1503.05295 · arxiv_version: 1503.05295v1 · doi: 10.48550/arxiv.1503.05295 · pith_short_12: H27IIKVQSTST · pith_short_16: H27IIKVQSTSTKK4Y · pith_short_8: H27IIKVQ

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/H27IIKVQSTSTKK4Y4GD7PP3VYP \
  | 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: 3ebe842ab094e5352b98e187f7bf75c3f6db7d8dbfc13628efff6b6f3bfb64bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "625499d77d8f78e595cd60d148077de3ca040d8f877a3a0f5632f914fe4e5398",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-03-18T07:26:56Z",
    "title_canon_sha256": "7f92d07a8b32974bf86e54aa1c6aa90775a39272870dbab49aaf28c0d592cc57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05295",
    "kind": "arxiv",
    "version": 1
  }
}