Pith Number

pith:5MY5VEK7

pith:2015:5MY5VEK7ILHJGYQETCF4HES7O6

not attested not anchored not stored refs pending

Locally Cohen-Macaulay space curves defined by cubic equations and globally generated vector bundles

Cristian Anghel, Iustin Coanda, Nicolae Manolache

arxiv:1502.05553 v2 · 2015-02-19 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5MY5VEK7ILHJGYQETCF4HES7O6}

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	2026-05-18T01:17:33.244680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb31da915f42ce936204988bc3925f778e2c98c8359b8f44558411dc7a066e2d

Aliases

arxiv: 1502.05553 · arxiv_version: 1502.05553v2 · doi: 10.48550/arxiv.1502.05553 · pith_short_12: 5MY5VEK7ILHJ · pith_short_16: 5MY5VEK7ILHJGYQE · pith_short_8: 5MY5VEK7

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/5MY5VEK7ILHJGYQETCF4HES7O6 \
  | 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: eb31da915f42ce936204988bc3925f778e2c98c8359b8f44558411dc7a066e2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90aafd50c1ecf042513d0a6500250a63face6f0c2605c30fb615c3213e9420af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-02-19T12:35:23Z",
    "title_canon_sha256": "9cf317dcec44712b38f0f927b27aae887face7b135992b800a61947b93252538"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05553",
    "kind": "arxiv",
    "version": 2
  }
}