Pith Number

pith:5R4UFUFQ

pith:2017:5R4UFUFQAIDITKYSEWWMGHEY77

not attested not anchored not stored refs pending

Computing Approximate Greatest Common Right Divisors of Differential Polynomials

Erich Kaltofen, Joseph Haraldson, Mark Giesbrecht

arxiv:1701.01994 v2 · 2017-01-08 · cs.SC · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5R4UFUFQAIDITKYSEWWMGHEY77}

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	2026-05-17T23:47:40.332729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec7942d0b0020689ab1225acc31c98ffe676b1a1a2b48d276dd3551554a3d5a2

Aliases

arxiv: 1701.01994 · arxiv_version: 1701.01994v2 · doi: 10.48550/arxiv.1701.01994 · pith_short_12: 5R4UFUFQAIDI · pith_short_16: 5R4UFUFQAIDITKYS · pith_short_8: 5R4UFUFQ

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/5R4UFUFQAIDITKYSEWWMGHEY77 \
  | 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: ec7942d0b0020689ab1225acc31c98ffe676b1a1a2b48d276dd3551554a3d5a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d98a3b6c973e30df56f7f272fbb810b36e929e86ceba43660dcec0d4cd64276",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2017-01-08T18:06:21Z",
    "title_canon_sha256": "a2e80ea7e5d0ff2b7fada3a0b00ad8c43b9e25b8b1df0b0cf5a9708d33dfe710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01994",
    "kind": "arxiv",
    "version": 2
  }
}