Pith Number

pith:EHD5Y4JO

pith:2012:EHD5Y4JOE2LDRGKHVNQGJAVWHA

not attested not anchored not stored refs pending

Liftings and Quasi-Liftings of DG modules

Saeed Nasseh, Sean Sather-Wagstaff

arxiv:1202.0071 v3 · 2012-02-01 · 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{EHD5Y4JOE2LDRGKHVNQGJAVWHA}

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	2026-05-18T03:43:07.385502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21c7dc712e2696389947ab606482b6383445912e062489d9b527982451ecc82c

Aliases

arxiv: 1202.0071 · arxiv_version: 1202.0071v3 · doi: 10.48550/arxiv.1202.0071 · pith_short_12: EHD5Y4JOE2LD · pith_short_16: EHD5Y4JOE2LDRGKH · pith_short_8: EHD5Y4JO

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/EHD5Y4JOE2LDRGKHVNQGJAVWHA \
  | 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: 21c7dc712e2696389947ab606482b6383445912e062489d9b527982451ecc82c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80d93d5b41b86be61abdf78a89690851236185614aa0c79a02f9a746383755bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2012-02-01T01:17:42Z",
    "title_canon_sha256": "3f43d68346b6e0161b70ac655f55856e155f08f5a357914daa2538aa5ca7933c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0071",
    "kind": "arxiv",
    "version": 3
  }
}