Pith Number

pith:RS4T6MPI

pith:2019:RS4T6MPIDUEIELDWKKHDLPHJYK

not attested not anchored not stored refs pending

Cotorsion pairs and adjoint functors in the homotopy category of $N$-complexes

Payam Bahiraei

arxiv:1905.07927 v2 · 2019-05-20 · math.RT · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RS4T6MPIDUEIELDWKKHDLPHJYK}

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	2026-05-17T23:43:14.335574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cb93f31e81d08822c76528e35bce9c2bf40bbf9c0be25e444d2c312db4a161c

Aliases

arxiv: 1905.07927 · arxiv_version: 1905.07927v2 · doi: 10.48550/arxiv.1905.07927 · pith_short_12: RS4T6MPIDUEI · pith_short_16: RS4T6MPIDUEIELDW · pith_short_8: RS4T6MPI

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/RS4T6MPIDUEIELDWKKHDLPHJYK \
  | 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: 8cb93f31e81d08822c76528e35bce9c2bf40bbf9c0be25e444d2c312db4a161c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f406321d554bcb29a1138ae07e77397931ec66a1fc9cd183d1cfbf00fd5cfdd",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-05-20T07:47:31Z",
    "title_canon_sha256": "7ffbc67182088dfed64cc0980fffd04c81e2ede0ffe3133d663eef449c371c73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07927",
    "kind": "arxiv",
    "version": 2
  }
}