Pith Number

pith:GMQ7CL2M

pith:2017:GMQ7CL2MJKQMUDDKJ4CMX27EMD

not attested not anchored not stored refs pending

On realizability of sign patterns by real polynomials

Vladimir Petrov Kostov

arxiv:1703.03313 v1 · 2017-03-09 · 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{GMQ7CL2MJKQMUDDKJ4CMX27EMD}

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	2026-05-17T23:46:42.154761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3321f12f4c4aa0ca0c6a4f04cbebe460d02260c1ab0f3a05325f550381ee7542

Aliases

arxiv: 1703.03313 · arxiv_version: 1703.03313v1 · doi: 10.48550/arxiv.1703.03313 · pith_short_12: GMQ7CL2MJKQM · pith_short_16: GMQ7CL2MJKQMUDDK · pith_short_8: GMQ7CL2M

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/GMQ7CL2MJKQMUDDKJ4CMX27EMD \
  | 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: 3321f12f4c4aa0ca0c6a4f04cbebe460d02260c1ab0f3a05325f550381ee7542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd6e3e4badd0fd42dd16d6ec1bc87d8c7e7bcc45b8408f248fb22a75f9b6b7ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2017-03-09T15:57:56Z",
    "title_canon_sha256": "d6389810c4b9e5d728106cb75847e4b7a55870e979c680103e1dca475c45ed79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03313",
    "kind": "arxiv",
    "version": 1
  }
}