Pith Number

pith:G5TFWHZE

pith:2018:G5TFWHZEMANTCNPYMYD7TLGUOO

not attested not anchored not stored refs pending

Segre Class Computation and Practical Applications

Corey Harris, Martin Helmer

arxiv:1806.07408 v4 · 2018-06-19 · math.AG · cs.SC · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G5TFWHZEMANTCNPYMYD7TLGUOO}

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	2026-05-17T23:44:43.235978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37665b1f24601b3135f86607f9acd47381b6e9cb1d13eb2e010df66587980666

Aliases

arxiv: 1806.07408 · arxiv_version: 1806.07408v4 · doi: 10.48550/arxiv.1806.07408 · pith_short_12: G5TFWHZEMANT · pith_short_16: G5TFWHZEMANTCNPY · pith_short_8: G5TFWHZE

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/G5TFWHZEMANTCNPYMYD7TLGUOO \
  | 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: 37665b1f24601b3135f86607f9acd47381b6e9cb1d13eb2e010df66587980666

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ae36e95123f3a669512fe30bc75498cc0206a21594d285580de9bdf7fff217b",
    "cross_cats_sorted": [
      "cs.SC",
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-06-19T18:11:14Z",
    "title_canon_sha256": "4de9e7a8694c27e86734592d0f93b0f5f4598f5bb5208fdf2dead7c7d447c7ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07408",
    "kind": "arxiv",
    "version": 4
  }
}