Pith Number

pith:NXOEDBK7

pith:2019:NXOEDBK7IYBHKI3HJ6MO5SWQMS

not attested not anchored not stored refs pending

Free Bertini's theorem and applications

Jurij Vol\v{c}i\v{c}

arxiv:1908.08948 v1 · 2019-08-23 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXOEDBK7IYBHKI3HJ6MO5SWQMS}

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	2026-07-04T23:59:35.199563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ddc41855f46027523674f98eecad064aedc0727e2191bac47cf40535d195c04

Aliases

arxiv: 1908.08948 · arxiv_version: 1908.08948v1 · doi: 10.48550/arxiv.1908.08948 · pith_short_12: NXOEDBK7IYBH · pith_short_16: NXOEDBK7IYBHKI3H · pith_short_8: NXOEDBK7

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/NXOEDBK7IYBHKI3HJ6MO5SWQMS \
  | 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: 6ddc41855f46027523674f98eecad064aedc0727e2191bac47cf40535d195c04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e28786d39ca100462fdf3f8b1629f58324c5eaac3e720e0e9165e7b3b96929dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2019-08-23T18:00:00Z",
    "title_canon_sha256": "0657cade0dd204e6ba4cc69a5950e9cdf8e8b1fa323fa800517ca781a0950c36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08948",
    "kind": "arxiv",
    "version": 1
  }
}