Pith Number

pith:5GTF2MU2

pith:2018:5GTF2MU2XB5ZOI6TDCC2XABHNR

not attested not anchored not stored refs pending

Sampling real algebraic varieties for topological data analysis

Emilie Dufresne, Heather A. Harrington, Jonathan D. Hauenstein, Parker B. Edwards

arxiv:1802.07716 v2 · 2018-02-21 · math.AT · math.AG · math.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{5GTF2MU2XB5ZOI6TDCC2XABHNR}

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	2026-05-18T00:02:49.556049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9a65d329ab87b9723d31885ab80276c4bcd846c6fbf6ece1b832f561322e6b4

Aliases

arxiv: 1802.07716 · arxiv_version: 1802.07716v2 · doi: 10.48550/arxiv.1802.07716 · pith_short_12: 5GTF2MU2XB5Z · pith_short_16: 5GTF2MU2XB5ZOI6T · pith_short_8: 5GTF2MU2

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/5GTF2MU2XB5ZOI6TDCC2XABHNR \
  | 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: e9a65d329ab87b9723d31885ab80276c4bcd846c6fbf6ece1b832f561322e6b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f02e7ac2bb6e3784c115360b7938c86b0863f4cca7ee1daa3e0ccec2cc51a65c",
    "cross_cats_sorted": [
      "math.AG",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-02-21T18:51:17Z",
    "title_canon_sha256": "ae149cbf8226b00d643245d535799af5072c8f0d63be3168b773fc64709b6287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07716",
    "kind": "arxiv",
    "version": 2
  }
}