Pith Number

pith:QDZMFJKU

pith:2017:QDZMFJKU5WLIGYRXXS2RUYDC7S

not attested not anchored not stored refs pending

ELT Linear Algebra II

Erez Sheiner, Guy Blachar

arxiv:1705.00266 v1 · 2017-04-30 · math.RA · math.AC · 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{QDZMFJKU5WLIGYRXXS2RUYDC7S}

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	2026-05-18T00:45:20.976766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f2c2a554ed96836237bcb51a6062fc82fe0b1a8eab8b7291ec0043db7d22cb

Aliases

arxiv: 1705.00266 · arxiv_version: 1705.00266v1 · doi: 10.48550/arxiv.1705.00266 · pith_short_12: QDZMFJKU5WLI · pith_short_16: QDZMFJKU5WLIGYRX · pith_short_8: QDZMFJKU

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/QDZMFJKU5WLIGYRXXS2RUYDC7S \
  | 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: 80f2c2a554ed96836237bcb51a6062fc82fe0b1a8eab8b7291ec0043db7d22cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6326ab7c30f7573f2b6669f35f2f8cd68b4efb6fb39fb560d2e58be2b81274bd",
    "cross_cats_sorted": [
      "math.AC",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-04-30T03:58:33Z",
    "title_canon_sha256": "ec6d59052525ff30aa8a1fc602f95fb83b14f0aeb26de06c5cf540c273fcff16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00266",
    "kind": "arxiv",
    "version": 1
  }
}