Pith Number

pith:Y3AEWIHS

pith:2018:Y3AEWIHSANA2KARM67ECQFKMYL

not attested not anchored not stored refs pending

Extension functors of generalized local cohomology modules

Alireza Vahidi, Elham Hoseinzade, Faisal Hassani

arxiv:1810.10217 v1 · 2018-10-24 · 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{Y3AEWIHSANA2KARM67ECQFKMYL}

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	2026-05-18T00:02:23.869170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6c04b20f20341a5022cf7c828154cc2c01a31f9a4c3834b7080429c4f8f36d0

Aliases

arxiv: 1810.10217 · arxiv_version: 1810.10217v1 · doi: 10.48550/arxiv.1810.10217 · pith_short_12: Y3AEWIHSANA2 · pith_short_16: Y3AEWIHSANA2KARM · pith_short_8: Y3AEWIHS

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/Y3AEWIHSANA2KARM67ECQFKMYL \
  | 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: c6c04b20f20341a5022cf7c828154cc2c01a31f9a4c3834b7080429c4f8f36d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5112afc48ce503d1796871502567b431dec96fa4609458ba2f8240eb7d8505cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-10-24T07:15:39Z",
    "title_canon_sha256": "580eea8f40a8e0950c3b69ca575a8cfb6786489e1993c76aa8e88100b1668a17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10217",
    "kind": "arxiv",
    "version": 1
  }
}