Pith Number

pith:AHQT3T3A

pith:2016:AHQT3T3AGRWICM6NHTMICV2H2F

not attested not anchored not stored refs pending

Computing Pretropisms for the Cyclic n-Roots Problem

Jan Verschelde, Jeff Sommars

arxiv:1602.07348 v1 · 2016-02-23 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AHQT3T3AGRWICM6NHTMICV2H2F}

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	2026-05-18T01:20:05.909725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01e13dcf60346c8133cd3cd8815747d157ebe24879b6f06341df9614b51ea22a

Aliases

arxiv: 1602.07348 · arxiv_version: 1602.07348v1 · doi: 10.48550/arxiv.1602.07348 · pith_short_12: AHQT3T3AGRWI · pith_short_16: AHQT3T3AGRWICM6N · pith_short_8: AHQT3T3A

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/AHQT3T3AGRWICM6NHTMICV2H2F \
  | 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: 01e13dcf60346c8133cd3cd8815747d157ebe24879b6f06341df9614b51ea22a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82fef3963fda786e41117eda3696de69d10087c330d60e11e447416856ad06d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-02-23T23:03:39Z",
    "title_canon_sha256": "afe0aa7526366b45194f7aac4e64941848115f84d5b5dda881e92568d20ff49c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07348",
    "kind": "arxiv",
    "version": 1
  }
}